小学生一元一次方程100道(有理数混合运算100题)

　　初一上册一元一次方程计算题 50道3X+18=52 x=34/3 4Y+11=22 y=11/4 3X*9=5 x=5/27 8Z/6=48 z=36 3X+7=59 x=52/3 4Y-69=81 y=75/4 8X*6=5 x=5/48 7Z/9=4 y=63/7 15X+8-5X=54 x=4.6 5Y*5=27 y=27/40 8x+2=10 x=1 x*8=88 x=11 y-90=1 y=91 2x-98=2 x=50 6x*6=12 x=1/3 5-6=5x x=-1/5 6*x=42 x=7 55-y=33 y=22 11*3x=60 x=20/11 8-y=2 y=-6 1.x+2=3 2.x+32=33 3.x+6=18 4.4+x=47 5.19-x=8 6.98-x=13 7.66-x=10 8.5x=10 9.3x=27 10.7x=7 11.8x=8 12.9x=9 13.10x=100 14.66x=660 15.7x=49 16.2x=4 17.3x=9 18.4x=16 19.5x=25 20.6x=36 21.8x=64 22.9x=81 23.10x=100 24.11x=121 25.12x=144 26.13x=169 27.14x=196 28.15x=225 29.16x=256 30.17x=289 31.18x=324 32.19x=361 33.20x=400 31.21x=441 32.22x=484 33.111x=12321 34.1111x=1234321 35.11111x=123454321 36.111111x=12345654321 37.46/x=23 38.64/x=8 39.99/x=11 40.1235467564x=0 41.2x+1= -2+x 42.4x-3(20-x)=3 43.．-2(x-1)=4 44.3X+189=521 45.4Y+119=22 5 46.3X+77=59 47.4Y-6985=81 48.X=0.1 49.5X=55.5 50.Y=50-85急需20道一元一次方程组计算题，要难点的，带答案1. 2(x-2)-3(4x-1)=9(1-x) 2x-4-12x+3=9-9xx=-102. 11x+64-2x=100-9x 18x=36x=23. 15-(8-5x)=7x+(4-3x) 15-8+5x=7x+4-3xx=-34. 3(x-7)-2[9-4(2-x)]=22 3x-21-2(9-8+4x)=223x-21-2-8x=22-5x=55x=-115. 2(x-2)+2=x+1 2x-4+2=x+1x=36. 30x-10(10-x)=100 30x-100+10x=10040x=200x=507. 4(x+2)=5(x-2) 4x+8=5x-10x=188. 120-4(x+5)=28120-4x-20=28-4x=-72x=189. 15x+854-65x=54 -50x=-800x=1610. 3(x-2)+1=x-(2x-1) 3x-6+1=x-2x+14x=6x=3/211. 11x+64-2x=100-9x 18x=36x=212. 14.59+x-25.31=0 x=10.7213. (x-6)×7=2x -27x-42=2x-25x=40x=814. 3x+x=18 4x=18x=9/215. 12.5-3x=6.5 3x=6x=216. 1.2(x-0.6)=4.81.2x- 7.2=4.81.2x=12x=1017. x+12.5=3.5x 2.5x=12.5x=518. 8x-22.8=1.2 8x=21.6x=2.719. 2x=5x-3 3x=3x=120. x+5=8 x=3 这是一元一次的 1) 66x+17y=3967 25x+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 二元一次方程组 供楼主自行选择300道一元一次方程带详细过程1)12（2-3X）=4X+4 24-36X=4X+4 -40X=-20 X=1/2 (2)6-3（X+2/3）=2/3 6-3X-2=2/3 -3X=-10/3 X=10/9 (3)2（200-15X）=70+25X 400-30X=70+25X -55X=-330 X=6 (4)3（2X+1）=12 6X+3=12 6X=9 X=3/2 (5)1/4X-1/2=3/4 (1/4)X=5/4 X=5 (6)7X-5/4 =3/8 7X=13/8 X=13/56 (7)2X-1/6 = 5X+1/8 -3X=7/24 X=-7/72 (8)(1/2)X-7 = 9X-2/6 -(17/2)X=20/3 X=-20/51 (9)(1/5)X-1/2（3-2X）=1 (1/5)X-3/2+X=1 (6/5)X=5/2 X=25/12 (10)2X+(1/3)-5X-(1/6)=1 -3X+(1/6)=1 -3X=5/6 X=-5/18 (11)1/7（2X+14)=4-2X (2/7)X+2=4-2X (16/7)X=2 X=7/8 (12)3/10（200+X)-2/10(300-X)=300*9/25 60+(3/10)X-60+(1/5)X=108 (1/2)X=108 X=216