急需10道简易的二元一次方程组的练习题、30道三元一次单纯计算题就行，别瞎编

急需10道简易的二元一次方程组的练习题、30道三元一次单纯计算题就行，别瞎编

这是二元一次我帮你收集的 随后发三元的
（1) 66x+17y=3967 2
5x+y=1200 答案：x=48 y=47
(2) 18x+23y=2303
74x-y=1998 答案：x=27 y=79
(3) 44x+90y=7796
44x+y=3476 答案：x=79 y=48
(4) 76x-66y=4082 30x-y=2940
答案：x=98 y=51
(5) 67x+54y=8546
71x-y=5680
答案：x=80 y=59
(6) 42x-95y=-1410
21x-y=1575
答案：x=75 y=48
(7) 47x-40y=853
34x-y=2006
答案：x=59 y=48
(8) 19x-32y=-1786
75x+y=4950
答案：x=66 y=95
(9) 97x+24y=7202
58x-y=2900
答案：x=50 y=98
(10) 42x+85y=6362
63x-y=1638
答案：x=26 y=62
(11) 85x-92y=-2518
27x-y=486
答案：x=18 y=44
(12) 79x+40y=2419
56x-y=1176
答案：x=21 y=19
(13) 80x-87y=2156
22x-y=880
答案：x=40 y=12
(14) 32x+62y=5134
57x+y=2850
答案：x=50 y=57
(15) 83x-49y=82
59x+y=2183
答案：x=37 y=61
(16) 91x+70y=5845
95x-y=4275
答案：x=45 y=25
(17) 29x+44y=5281
88x-y=3608
答案：x=41 y=93
(18) 25x-95y=-4355
40x-y=2000
答案：x=50 y=59
(19) 54x+68y=3284
78x+y=1404
答案：x=18 y=34
(20) 70x+13y=3520
52x+y=2132
答案：x=41 y=50追问你自己出的吗我在网上找过，全胡说的追答1. 4x+y-z=12 3x+2y+z=-5 x-y+5z=1
2. 2a+7b=3 3a-c=1 -b+3c=4
3. x:y=3:2 y:Z=5:4 x+y+z=66
4. a-d=-4 d-2y=-1 a+s-d=-1
5. a=6s a-4=10s-20d a+12=3y+18d
6. a+s=8 a+d=6 s+d=10
7. 3(a+s-d)=15(d-a) 5(a+s-d)=400 15+53/6(a+s)=10000
8. 2a+s+d=15 a+2s+d=16 a+s+2d=17
9. 2a=3s=6d a+2s+d=16
10. A:S:D=3:4:5 A+S+D=36
11.3x-y+z=3,2x+y-3z=11,x+y+z=12
12.5x-4y+4z=13,2x+7y-3z=19,3x+2y-z=18
13.a+b+c=-4,49a+7b+c=8,25a+5b+c=0
14.x+y/2=z+x/3=y+z/4,x+y+z=27
15.X=2Y, 2X+Y+2Z=1, 2X-Z=7,
16.Y-2Z=4, Y-3Z=10； 3X+Y=9.
17.x-2y-3z+18=0, x+3y-2z-8=0, x+y+2z-24=0
18.90a+30b+c=300,160a+40b+c=150,250a+50b+c=100
19.x:y=1:5,y:z=2:3,x+y+z=27
20.x+y=3,2x-y+2z=2,x-y-z=-3在题库找的追问哦哦追答你可以去网站类似于中考网，数学网，新东方教育机构这些都有现成的题库