小学五年级递等式

小学五年级递等式

0.8×[(10－6.76)÷1.2]
18.1×0.92+3.93 0.0430.24+0.875
0.4×0.7×0.25 0.75×102 100-56.23
0.78+5.436+1 4.07×0.86+9.12.5
194－64.8÷1.8×0.9
.（3.2×1.5+2.5）÷1.6 （2）3.2×（1.5+2.5）÷1.6
2.22×9.9+6.66×6.7
0.35×1.25×2×0.8 32.4×0.9＋0.1×32.4
9.16×1.5－0.5×9.16
望采纳

1.1.25*17.6+36.1/0.8+2.36*12.5
1.25*17.6+36.1/0.8+2.36*12.5
=(5/4)*17.6+36.1*(5/4)+23.6*(50/4)
=176/8+361/8+236/8
=773/8=96.625

2.7.5*2.3+1.9*2.5
7.5*2.3+1.9*2.5
=7.5*(1.9+0.4)+1.9*2.5
=(7.5+2.5)*1.9+7.5*0.4
=19+3 =22

3 25.5.4×0.15÷0.2+4.6×0.15
=27*0.15+4.6*0.15
=(27+4.6)*0.15
=31.6*0.15
=4.74
4 26.55×10.43+104.3×4.4+104.3×0.1
=55×10.43+10.43×44+10.43×1
=(55+44+1)*10.43
=100*10.43
=1043

.5 2004/2003*2005
2004/2003*2005
=(2004/2003)*(2003+2)
=2004+4008/2003

6 .276*543-267/276+543*275
276*543-267/276+543*275
=543*(276+275)-267/276
=543*551-267/276

7.1/3+1/15++1/35+1/63+九十1/9
=1/(1×3)+1/(3×5)+1/(5×7)+1/(7×9)+1/(9×11)
=1/2×(1-1/3)+1/2×(1/3-1/5)+1/2×(1/5-1/7)+1/2×(1/7-1/9)+1/2×(1/9-1/11)
=1/2×(1 - 1/3 + 1/3 - 1/5 + 1/5 - 1/7 + 1/7 - 1/9 + 1/9 - 1/11)
=1/2×(1-1/11)
=1/2×10/11
=5/11

8 32.52-（6+9.728÷3.2）×2.51. 1-2+3-4+5-6+7-8+9-10+11-12+................+2003-2004+2005-2006+2007
=1+（3-2）+（5-4）+.........+（2007-2006）
=1+（2007-1）/2
=1005
9 4.8*0.25=(4.8/4)*(0.25*4)=1.2*1=1.2
10 54÷（3.94＋6.86）
=54/10.8
=5
望采纳，自带答案，望你学习步步高升 加油 ↖(^ω^)↗

36.72÷4.25×9.9
4.07×0.86+9.125.67×0.2-0.62
18.1×0.92+3.93
0.043×24+0.875
0.4×0.7×0.25
0.78+5.436+1
36.72÷4.25×9.9
3.416÷（0.016×35）
0.8×[(10－6.76)÷1.2]
(6.8-6.8×0.55)÷8.5
0.12× 4.8÷0.12×4.8
9.72×1.6-18.305÷7
3.2×（1.5+2.5）÷1.6
3.2×6+（1.5+2.5）÷1.6
（3.2×1.5+2.5）÷1.6
0.12× 4.8÷0.12×4.8
0.8×〔15.5-(3.21+5.79)〕
（31.8+3.2×4）÷5
31.5×4÷(6+3)
0.64×25×7.8+2.2
2÷2.5+2.5÷2
194－64.8÷1.8×0.9
36.72÷4.25×9.9
0.8×[(10－6.76)÷1.2]
19.4×6.1×24
5.67×0.2-0.62
18.1×0.92+3.93
0.4×0.7×0.25
0.75×102

1. 6.8X16.8+19.3X3.2+9/5
2. 18.1×0.92+3.93 0.0430.24+0.875
3. (1+0.12+0.23)X(0.12+0.23+0.34)-(1+0.12+0.23+0.34)X(0.12+0.23)
4. 2.9X(3.8-4/5)/(2.375-13/8)
5. [60－(9.5＋28.9)]÷0.18
6. 2.881÷0.43－0.24×3.5
7. 20×[(2.44－1.8)÷0.4＋0.15]
8. 28-(3.4+1.25×2.4)
9. 0.4×0.7×0.25 0.75×102 100-56.23
10. 0.78+5.436+1 4.07×0.86+9.12.5

777×9+1． 38．67＋68．23＋45．8
2．98．2－37．18－10．82
3．56．23＋31．07－54．1
4．32．6＋58．04＋61．96
5．100－（28．4＋32．05）
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