心算口算速算答案

心算口算速算答案

42 -12 -108 = 30 -108 = -78
43 -3 -92 = 40 -92 = -52
44 + 6 -76 = 50 -76 = -26
45 + 15 -60 = 60 -60 = 0
46 + 24 -44 = 70 -44 = 26
47 + 33 -28 = 80 -28 = 52
48 + 42 -12 = 90 -12 = 78
49 + 51 + 4 = 100 + 4 = 104
50 + 60 + 20 = 110 + 20 = 130
51 + 69 + 36 = 120 + 36 = 156
52 + 78 + 52 = 130 + 52 = 182
53 + 87 + 68 = 140 + 68 = 208
54 + 96 + 84 = 150 + 84 = 234
55 -45 -200 = 10 -200 = -190
56 -36 -184 = 20 -184 = -164
57 -27 -168 = 30 -168 = -138
58 -18 -152 = 40 -152 = -112
59 -9 -136 = 50 -136 = -86
60 + 0 -120 = 60 -120 = -60
61 + 9 -104 = 70 -104 = -34
62 + 18 -88 = 80 -88 = -8
63 + 27 -72 = 90 -72 = 18
64 + 36 -56 = 100 -56 = 44
65 + 45 -40 = 110 -40 = 70
66 + 54 -24 = 120 -24 = 96

1.4＋0.3=
2.6－0.7=
0.64＋0.36= 3.24－2.14=
0.9＋4.8=
22.2－2=
1－0.06=
22.4＋0.06=
2.1－1.2=
3.45－1.9=
5.2＋3.4=
1.2－0.6=
4.5－0.9=
5＋7.7=
0.6＋0.45=
5.6－1.4=
4＋6.4=
0.83－0.12=
0.7－0.07=
5.1＋0.18=
5.3－0.7=
4.8＋3.2=
5.67－5.67=
5－0.38=
0.04×1.5=
0.18×3=
6.5×0.2=
50×0.1=
0.4×25=
0.15×4=
0.2×0.5=
10×0.52=
8.1×6=
9.6÷12=
0.9÷0.3=
6.3÷0.7=
0÷3.5=
1.21÷11=
0.4×0.5=
2.5×0.4=
3.4－1.4=
7.82－7.2=
2.19＋9.1=
10.1－0.89=
0.68＋0.42=
8.1－5.1=
0.728－0.24=
0.8＋0.18=
0.89－0.25=
1－0.98=
1.32×8＝
0.7×8＝
10.3×2＝
5×0.6＝
0.9×0.3＝
3.5×0.2＝
2.01×0＝
10×0.05＝
0.13×7＝
0.21×100＝
0.7×4＝
0.05×4＝
4×0.3＝
12.5×8＝
2.3×4＝
3.25×0＝
0.4×50＝
30×0.1＝
2.6×3＝
4.1×2＝
0.35×0.2＝
7.5×0.1＝
1－0.08＝
3.5×0.01＝
1.25÷0.25＝
0×9.8＝
3.9＋0.39＝
4.8＋5.2＝
0.5×0.4 ＝
4×0.25＝
3÷6＝
8.1÷9＝
2.5×4＝
6－0.025＝
3.6＋6.3＝
0.05×4＝
3.5×0＝
0÷3.5＝
0.9×0.3＝
1×0.06＝
9×0.5＝
1.25×8＝
2.6×3＝
4.1×2＝
0.35×0.2＝
7.5×0.1＝
0.9×0.3＝
1×0.06＝
9×0.5＝
1.25×8＝
0.2×0.4＝
8.2＋1.8＝
100－35.22＝
2.5×0.4＝
2.4×5＝
0.22×4＝
0.9－0.52＝
3.99×1＝
0×3.52＝
2.5÷5＝
8.4÷7＝
0.34÷17＝
2.5÷0.5＝
8.4÷0.7＝
0.34÷0.17＝
30.4÷4＝
1.2×6＝
0.72÷0.6＝
2.6÷1.3＝
0.6×0.3＝
0÷3.65＝
7.82÷1 ＝
0.001÷0.1＝
1.4÷0.7＝
3.6÷0.06＝
5.6÷0.8＝
5.6÷1.4＝
0.48÷0.8＝
4.4÷0.11＝
4.2×3 ＝
3.2×0.4＝
0.3÷0.01＝
4÷0.5＝
5.1÷0.17＝
0.28÷1.4＝
0.9÷0.45＝
9.6÷16＝
1÷0.01 ＝
0.01÷1＝
7.5÷1.5＝
0.81÷9＝
3÷0.5＝
10÷25＝
4.8÷0.16＝
0÷3.89＝
3.52÷1＝
6.4÷4＝
1.5÷0.3＝
1.8×5＝
7.2÷0.9＝
2.2×6＝
8.4÷0.4＝
4.5÷0.9＝
2.5×4＝
12.5×4＝
0.3÷0.1＝
4.5×2=
7.8+0.22=
3.4×0.4=
12.6－0.9=
4.5*6＝
6-4.05＝
8.4÷0.7＝
3.67+6.13＝
0.5*1.2＝
0.55÷1.1＝
5.42+7.5*1.6＝
0.25*1.7*0.4＝
7.86-4015-2.85＝
0.125*32*2.5＝
6.4×0.2+3.6×0.2＝
6.25×8＝
（1.5+0.25）×4＝
2.14－0.9＝
2.87÷0.7＝
1.2×0.4+1.3×0.4＝
7.2×0.3+2.8×0.3＝
4.9÷3.5＝
4.2÷3.5＝
0.75×4＝
2.4×2.5＝
0.36÷12＝
8.8÷2.2＝
7.5×2.5×4＝
0.65×1.02＝
3.9+2.03＝
1.23÷3＝
3.2÷1.6＝
0.05×0.8＝
500×0.01＝
64.32÷16＝
2.56－0.37＝
3.5+3.5×3＝
0.99+1.8＝
16÷1.6＝
（1.25+0.36）×0.2＝
1.5×0.4＝
72.8÷0.8＝
0.9÷0.01＝
5.4－2.5－1.4＝
1.25×0.8×0.5＝
1.7+0.43+3.3＝
12÷0.3＝
5.6×1.01＝
99×0.35＝
7÷0.25＝
4.2÷0.1＝
12－6.2－3.8＝
0.1×0.02＝
3.5+7.6＝
6.3+3.7＝
25×0.8＝
7－1.9－4.1＝
12－9.9＝
14÷28＝
1.6×9+1.6＝
3×1.4＝
5×1.02＝
2.3÷5＝
232－195＝
350÷50=
12×40=
450－300=
560+80=
7×70=
82－56=
560÷4=
28+37=
26×3=
88÷22=
160×5=
640÷8=
80+520=
720÷80=
670－250=
0×85=
35×5=
707÷7=
510×6=
640÷40=
3400－900 =
72÷12=
18×40=
750÷50 =
8.92－0.03－1.97=
0.175÷0.25÷4=
(12.6－0.75－0.25)÷0.01=
（1.7+1.7+1.7+1.7）×2.5=
72×125=
384＋98×25×4=
46+0.34=
1-0.78=
2.7×3=
9.3÷0.93=
0.54÷18=
0.025×4.4=
7.38-5.88=
0.4+0.4÷0.1=
0.6×1.5＝
9.4＋1.6＝
0.54÷9＝
0.05×1.8＝
0.16÷0.4＝
88÷0.8＝
10－8.25＝
1÷0.125＝
0.12×3=
2.56－0.37=
64.32÷16=
7÷0.25=
0.56÷0.28=
3.2÷1.6=
7.2×0.3＋2.8×0.3=
6.25×8=
0.25×16=
7.5×2.5×4=
12－6.2－3.8=
8.1÷0.03=
5.6×1.01=
2.14－0.9=
b－0.4b=
0.25+0.75=
0.25+0.75=
1.25×6=
15－2.05=
1.2－1.2×0.9=
0.55+0.45=
7-1.036=
50×0.25=
1.5+2.26+0.5=
0.8+0.2-0.8+0.2=
(5.25-4)x8=
4x0.37x0.25=
0.25×0.7×4=
8.2÷8.2+8.2=
1.3+0.13=
6.3x101=
0.25x400=
0.6－0.06＝
0.57+0.16=
0.35-0.18=
3.8+6.2=
0.5*0.4=
0.75*4=
2.5*0.04=
3.6*2-3.6=
2.5÷20＝
9.6÷3.2＝
0.45×2＝
8－3.5＝
3×2.5＝
7.5÷0.25＝
0.2－0.09＝
4×0.25＝
0.37＋0.3＝
1÷0.1×1÷0.1＝
0.72÷0.9=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
3.5×0.2=
0.72÷0.9=
1-0.01=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
0.63×2=
4.8÷0.6=
1.7+3=
4×9×0.25=
1.25×16=
9.6÷32=
2－0.09=
8.5－0.24－1.76=
0.63×2=
4.8÷0.6=
1.7+3=
4×9×0.25=
1.25×16=
9.6÷32=
2－0.09=
8.5－0.24－1.76=
3.5×0.2=
0.72÷0.9=
1-0.01=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
0.42×2=
9.6÷0.32=
4.8＋2.7=
8－0.6=
21÷0.3=
0.05×0.4=
4.2－2=
0.7＋0.23=
1.7×0.5= 21÷42=
1.43＋14.3=
20－0.94=
3.5×101=
4.28＋0.2=
8×0.3=
0.1－0.01=
7.2÷6=
2.5＋6=
1÷0.25=
0.67＋0.3=
3.2－0.4=
0.92－0.3=
0.38×100=
8×2.5=
8×1.25=
2.4÷0.06=
7.2＋2.8=
2.7＋5.6＋7.3=
9.6÷0.3=
14×（20＋1）=
8－2.5=
9.6÷0.8=
4÷0.5÷0.2=
0.8×0.5=
1.6×9＋1.6=
12－9.9=
7－1.9－4.1=
14÷28=
2.3＋5=
6.3＋3.7=
3.2＋0.48=
1.5×3=
0.6÷0.5=
4.3－0.3=
8.5－3=
15×0.2=
9－2.8=
4×0.25=
0.34＋0.46=
0.78－0.28=
1.8÷0.9=
4.7×0.2=
1－0.65=
2.4÷0.3=
7÷0.5=
60×0.5=
0.25＋0.75=
0.3×0.15=
5.1－3.9=
1.7＋0.8=
7.2÷0.2=
2.4×0.2=
3.8×0.02=
1.8÷0.09=
0.27÷0.9=
0.3×1.5=
7.2＋0.85=
0.83－0.7=
0.1＋0.87=
2.3＋7.7=
5＋2.8=
6.7－3=
0.82－0.32=
1－0.06=
0.16＋0.8=
0.18＋0.72=
0.5－0.36=
4.3－3.8=
0.92－0.2=
0.2＋0.75=
7.2×0.01=
4.2÷0.01=
8.1÷0.03=
0.8×1.25=
2.3＋0.9=
0.1－0.01=
0.28×0.2=
0.49÷0.7=
0.3÷0.15÷0.2=
1－0.63=
4.8×0.2×0.5=
4.5＋1.5=
10－1.8－2.2=
0.46÷2=
0.25＋3.1＋1.75=
1÷0.25=
2÷5=
0.45×0.2=
1.5×0.1=
1.5÷0.1=
4.5*6＝
6-4.05＝
8.4÷0.7＝
3.67+6.13＝
0.5*1.2＝
0.55÷1.1＝
5.42+7.5*1.6＝
0.25*1.7*0.4＝
7.86-4015-2.85＝
0.125*32*2.5＝
1.5*2.5=
3.7*4.1=
2.5*2.5=
6.25*1.1=
2.4*3.6=
7.2*4.8=
3.3*2.3=
8.4*5.2=
2.7*9.5=
4.6*7.6=
3.44*2.3=
6.9*3.5=
2.2*1.8=
17×40＝
100－63＝
3.2＋1.68＝
2.8×0.4＝
14－7.4＝
1.92÷0.04＝
0.32×500＝
0.65＋4.35＝
10－5.4＝
4÷20＝
3.5×200＝
1.5－0.06＝
0.75÷15＝
0.4×0.8＝
4×0.25＝
0.36＋1.54＝
1.01×99＝
420÷35＝
25×12＝
135÷0.5＝
3/4+1/4=
2+4/9=
3-2/3=
3/4-1/2=
1/6+1/2 -1/6=
7.5-(2.5+3.8)=
7/8 + 3/8=
3/10 +1/5=
4/5-7/10=
2-1/6-1/3 =
0.51÷17＝
32.8＋19＝
5.2÷1.3＝
1.6×0.4＝
4.9×0.7＝
1÷5＝
6÷12＝
0.87－0.49＝
1.8×4×0.5=
1.5－1.5×0.3=
1×8＋1×2＝
3.14×32=
100×0.1%=
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001－9036÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/5×5/6
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7×1/5
29.3.375*0.97+0.97*6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5×4.2－0.75÷0.25
47.3.27×4 +3.27×5.7
48.（1.2+ 1.8）×4.51025－768÷32
49.0.25×80－0.45÷0.9
50.1025－768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
1/2+1/3
2/1-5/4
9\3*3\9
3/4+5/4=? 4/5+6/5=? 5/6+6/7=?
三分之一加六分之五
五分之七加九分之六 八分之三乘六分之五 七分之四除以十一分之六
2.8×0.4＝ 1.12
14－7.4＝6.6, 1.92÷0.04＝48, 0.32×500＝160, 0.65＋4.35＝ 5
10－5.4＝4.6, 4÷20＝0.2, 3.5×200＝700, 1.5－0.06＝1.44
0.75÷15＝0.05, 0.4×0.8＝0.32, 4×0.25＝1, 0.36＋1.54＝2
1.01×99＝99.99, 420÷35＝12, 25×12＝300, 135÷0.5＝270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51÷17＝0.03, 32.8＋19＝51.8, 5.2÷1.3＝4, 1.6×0.4＝ 0.64
4.9×0.7＝3.43, 1÷5＝0.2, 6÷12＝0.5, 0.87－0.49＝0.38

1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001－9036÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/5×5/6
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7×1/5
29.3.375*0.97+0.97*6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5×4.2－0.75÷0.25
47.3.27×4 +3.27×5.7
48.（1.2+ 1.8）×4.51025－768÷32
49.0.25×80－0.45÷0.9
50.1025－768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
12÷3/5=12×（ 5/3） 9÷6/7=9×（ 7/6 ） 30÷5/6=30×（6/5 ） 4×（3/2 ）=4÷2/3 （ 4 ）÷5/7=4×7/5 3÷4/5=3×5/4 （ 24 ）÷7/16=24×（16/7 ） A÷C/B=A×B/C 4÷4/5=5 6÷3/4=8 10÷2/5=25 18÷4/9=81/2 4×4/5=16/5 6×3/4=18/4 10×2/5=4 18×4/9=8 3÷3/4=4 2÷1/3=6 6÷4/5=15/2 1÷5/7=7/5 3/4÷3=1/4 1/3÷2=1/6 4/5÷6=2/15 5/7÷1=5/7
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
1.45+15×6= 135
2.250÷5×8=400
3.6×5÷2×4=60
4.30×3+8=98
5.400÷4+20×5= 200
6.10+12÷3+20=34
7.(80÷20+80)÷4=21
8.70+(100-10×5)=120
9.360÷40= 9
10.40×20= 800
11.80-25= 55
12.70+45=115
13.90×2= 180
14.16×6= 96
15.300×6= 1800
16.540÷9=60
17.30×20= 600
18.400÷4= 100
19.350-80= 270
20.160+70=230
21.18-64÷8= 10
22.42÷6+20=27
23.40-5×7= 5
24.80+60÷3=100
25.41+18÷2= 50
26.75-11×5= 20
27.42+7-29= 20
28.5600÷80=70
29.25×16= 400
30.120×25= 3000
31.36×11= 396
32.1025÷25=41
33.336+70= 406
34.25×9×4= 900
35.200-33×3= 101
36.3020-1010=2010
37.12×50= 600
38.25×8= 200
39.23×11= 253
40.125÷25=5
41.4200-2200=2000
42.220+80= 300
43.20×8×5= 800
44.600-3×200=0
45.20+20÷2= 30
46.35-25÷5= 30
47.36+8-40= 4
48.2800÷40=70
49.98÷14 = 7
50.96÷24 = 4
51.56÷14 =4
52.65÷13 = 5
53.75÷15 = 5
54.120÷24 =5
55.200÷25 = 8
56.800÷16 = 50
57.840÷21 =40
58.560÷14 = 40
59.390÷13 = 30
60.600÷15 =40
61.72÷24 = 3
62.85÷17 = 5
63.90÷15 =6
64.96÷16 = 6
65.78÷26 = 4
66.51÷17 =3
67.80÷40 = 2
68.100÷20 = 5
69.100÷4 =25
70.240÷40 = 6
71.920÷4 = 230
72.300÷60=5
73.64÷2 = 32
74.64÷4 = 16
75.50÷5 =10
76.60÷8 = 7.5
77.96÷4 = 24
78.90÷6 =15
79.400+80 = 480
80.400-80 = 320
81.40×80 =3200
82.400÷80 = 5
83.48÷16 = 3
84.96÷24 =4
85.160×5= 800
86.4×250= 1000
87.0×518= 0
88.10×76= 760
89.36×10=360
90.15×6= 90
91.24×3= 72
92.5×18= 90
93.26×4= 74
94.7×15=105
95.32×30= 960
96.40×15= 600
97.60×12= 720
98.23×30= 690
99.30×50=1500
100.5×700=3500
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2×3/5
14.3.375+5.75+2.25+6.625
15.1001－9036÷18
16.3.8×5.25+14.5
17.2.1*4.3+5.7*2.1
18.30×1/3
19.102*45-328
20.2/3×12
21.2.8*3.1+17.6/8
22.3/5×5/6
23.(50-12.5)/2.5
24.2/5×1/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7×1/5
29.3.375*0.97+0.97*6.625
30.25×4/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2×1/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403÷13×27
46.1.5×4.2－0.75÷0.25
47.3.27×4 +3.27×5.7
48.（1.2+ 1.8）×4.51025－768÷32
49.0.25×80－0.45÷0.9
50.1025－768÷32
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
1. 3/7 × 49/9 - 4/3
2. 8/9 × 15/36 + 1/27
3. 12× 5/6 – 2/9 ×3
4. 8× 5/4 + 1/4
5. 6÷ 3/8 – 3/8 ÷6
6. 4/7 × 5/9 + 3/7 × 5/9
7. 5/2 -（ 3/2 + 4/5 ）
8. 7/8 + （ 1/8 + 1/9 ）
9. 9 × 5/6 + 5/6
10. 3/4 × 8/9 - 1/3
11. 7 × 5/49 + 3/14
12. 6 ×（ 1/2 + 2/3 ）
13. 8 × 4/5 + 8 × 11/5
14. 31 × 5/6 – 5/6
15. 9/7 - （ 2/7 – 10/21 ）
16. 5/9 × 18 – 14 × 2/7
17. 4/5 × 25/16 + 2/3 × 3/4
18. 14 × 8/7 – 5/6 × 12/15
19. 17/32 – 3/4 × 9/24
20. 3 × 2/9 + 1/3
21. 5/7 × 3/25 + 3/7
22. 3/14 ×× 2/3 + 1/6
23. 1/5 × 2/3 + 5/6
24. 9/22 + 1/11 ÷ 1/2
25. 5/3 × 11/5 + 4/3
26. 45 × 2/3 + 1/3 × 15
27. 7/19 + 12/19 × 5/6
28. 1/4 + 3/4 ÷ 2/3
29. 8/7 × 21/16 + 1/2
30. 101 × 1/5 – 1/5 × 21
(1)58+42= (2)87－45= (3)125×8=
(4)50×12= (5)804÷4= (6)134＋66=
(7)1000－98= (8)720÷5= (9)0÷47=
(1)340×(120－40÷8)
(2)45×(720－1957÷19)
(3)86+[4500+(2088÷36)÷2]
(4)396×[74－(4875÷15－13×21)]
(5)[1054－(174－168)]÷8
(6)6048÷[(107－99)×9]
（1.5+0.25）×4＝
2.14－0.9＝
2.87÷0.7＝
1.2×0.4+1.3×0.4＝
7.2×0.3+2.8×0.3＝
4.9÷3.5＝
4.2÷3.5＝
0.75×4＝
2.4×2.5＝
0.36÷12＝
8.8÷2.2＝
7.5×2.5×4＝
0.65×1.02＝
3.9+2.03＝
1.23÷3＝
3.2÷1.6＝
0.05×0.8＝
500×0.01＝
64.32÷16＝
2.56－0.37＝
3.5+3.5×3＝
0.99+1.8＝
16÷1.6＝
（1.25+0.36）×0.2＝
1.5×0.4＝
72.8÷0.8＝
0.9÷0.01＝
5.4－2.5－1.4＝
1.25×0.8×0.5＝
1.7+0.43+3.3＝
12÷0.3＝
5.6×1.01＝
99×0.35＝
7÷0.25＝
4.2÷0.1＝
12－6.2－3.8＝
0.1×0.02＝
3.5+7.6＝
6.3+3.7＝
25×0.8＝
7－1.9－4.1＝
12－9.9＝
14÷28＝
1.6×9+1.6＝
3×1.4＝
5×1.02＝
2.3÷5＝
232－195＝
350÷50=
12×40=
450－300=
560+80=
7×70=
82－56=
560÷4=
28+37=
26×3=
88÷22=
160×5=
640÷8=
80+520=
720÷80=
670－250=
0×85=
35×5=
707÷7=
510×6=
640÷40=
3400－900 =
72÷12=
18×40=
750÷50 =
8.92－0.03－1.97=
0.175÷0.25÷4=
(12.6－0.75－0.25)÷0.01=
（1.7+1.7+1.7+1.7）×2.5=
72×125=
384＋98×25×4=
46+0.34=
1-0.78=
2.7×3=
9.3÷0.93=
0.54÷18=
0.025×4.4=
7.38-5.88=
0.4+0.4÷0.1=
0.6×1.5＝
9.4＋1.6＝
0.54÷9＝
0.05×1.8＝
0.16÷0.4＝
88÷0.8＝
10－8.25＝
1÷0.125＝
0.12×3=
2.56－0.37=
64.32÷16=
7÷0.25=
0.56÷0.28=
3.2÷1.6=
7.2×0.3＋2.8×0.3=
6.25×8=
0.25×16=
7.5×2.5×4=
12－6.2－3.8=
8.1÷0.03=
5.6×1.01=
2.14－0.9=
b－0.4b=
0.25+0.75=
0.25+0.75=
1.25×6=
15－2.05=
1.2－1.2×0.9=
0.55+0.45=
7-1.036=
50×0.25=
1.5+2.26+0.5=
0.8+0.2-0.8+0.2=
(5.25-4)x8=
4x0.37x0.25=
0.25×0.7×4=
8.2÷8.2+8.2=
1.3+0.13=
6.3x101=
0.25x400=
0.6－0.06＝
0.57+0.16=
0.35-0.18=
3.8+6.2=
0.5*0.4=
0.75*4=
2.5*0.04=
3.6*2-3.6=
2.5÷20＝
9.6÷3.2＝
0.45×2＝
8－3.5＝
3×2.5＝
7.5÷0.25＝
0.2－0.09＝
4×0.25＝
0.37＋0.3＝
1÷0.1×1÷0.1＝
0.72÷0.9=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
3.5×0.2=
0.72÷0.9=
1-0.01=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
0.63×2=
4.8÷0.6=
1.7+3=
4×9×0.25=
1.25×16=
9.6÷32=
2－0.09=
8.5－0.24－1.76=
0.63×2=
4.8÷0.6=
1.7+3=
4×9×0.25=
1.25×16=
9.6÷32=
2－0.09=
8.5－0.24－1.76=
3.5×0.2=
0.72÷0.9=
1-0.01=
0.2÷0.01=
4.8 + 2=
0.25×40=
6.5-5.6=
1.25×0.8=
0.42×2=
9.6÷0.32=
4.8＋2.7=
8－0.6=
21÷0.3=
0.05×0.4=
4.2－2=
0.7＋0.23=
1.7×0.5= 21÷42=
1.43＋14.3=
20－0.94=
3.5×101=
4.28＋0.2=
8×0.3=
0.1－0.01=
7.2÷6=
2.5＋6=
1÷0.25=
0.67＋0.3=
3.2－0.4=
0.92－0.3=
0.38×100=
8×2.5=
8×1.25=
2.4÷0.06=
7.2＋2.8=
2.7＋5.6＋7.3=
9.6÷0.3=
14×（20＋1）=
8－2.5=
9.6÷0.8=
4÷0.5÷0.2=
0.8×0.5=
1.6×9＋1.6=
12－9.9=
7－1.9－4.1=
14÷28=
2.3＋5=
6.3＋3.7=
3.2＋0.48=
1.5×3=
0.6÷0.5=
4.3－0.3=
8.5－3=
15×0.2=
9－2.8=
4×0.25=
0.34＋0.46=
0.78－0.28=
1.8÷0.9=
4.7×0.2=
1－0.65=
2.4÷0.3=
7÷0.5=
60×0.5=
0.25＋0.75=
0.3×0.15=
5.1－3.9=
1.7＋0.8=
7.2÷0.2=
2.4×0.2=
3.8×0.02=
1.8÷0.09=
0.27÷0.9=
0.3×1.5=
7.2＋0.85=
0.83－0.7=
0.1＋0.87=
2.3＋7.7=
5＋2.8=
6.7－3=
0.82－0.32=
1－0.06=
0.16＋0.8=

对不起啊，我只有三年级的呀！