七年级50道解方程及答案?
1. 2(x-2)-3(4x-1)=9(1-x)2. 11x+64-2x=100-9x 3. 15-(8-5x)=7x+(4-3x)4. 3(x-7)-2[9-4(2-x)]=22 5. 3\/2[2\/3(1\/4x-1)-2]-x=2 6. 2(x-2)+2=x+1 7. 0.4(x-0.2)+1.5=0.7x-0.38 8. 30x-10(10-x)=100 9. 4(x+2)=5...
初一解方程,别太长,要写出步骤和正确答案~!不多,就50道~!速度答~!谢...
3X+5X=48 14X-8X=12 6*5+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X*(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=29 8x-3x=105 x-6*5=42 x+5=7 2x+3=10 12x-9x=9 6x+18=48 56x-5...
50道解方程带答案
(1)(0.5+x)+x=9.8÷2 0.5+2x=4.9 0.5+2x-0.5=4.9-0.5 2x=4.4 2x÷2=4.4÷2 X=2.2 (2)2(X+X+0.5)=9.8 2x+2x+1=9.8 4x+1-1=9.8-1 4x=8.8 4x÷4=8.8÷4 X=2.2 (3)25000+x=6x 25000+x-x=6x-x 5x=25000 5x÷5=25000÷5 X=5000 (...
50道解方程题及答案初一
(1)、2(7x-5)=3 14x=13 X=13\/14 (2)、4(2x-1)=3(5x+1)-7x=7 X=-1 (3)、3x-42=9x-2 -6x=40 X=-20\/3 (4)、2x-5(3-2x)=10 2x-15+10x=10 12x=25 X=25\/12 (5)、2(2x+1)-(5x-1)=6 4x+2-5x+1=6 -x=3 X=-3 (6)、2x+14=28-14x 16x=14 X=8\/...
七年级解方程100道含过程答案七年级解方程100道
1. 3X + 5X = 48 2. 14X - 8X = 12 3. 6 * 5 + 2X = 44 4. 20X - 50 = 50 5. 28 + 6X = 88 6. 32 - 22X = 10 7. 24 - 3X = 3 8. 10X * (5 + 1) = 60 9. 99X = 100 - X 10. X + 3 = 18 11. X - 6 = 12 12. 56 - 2X = 20 13. ...
求初一计算题(解方程+化简求值+有理数混合运算)60道(各30题)
解方程 1)87x+2y=7733 20x+32y=4364 答案:x=87 y=82 2)44x+60y=6340 15x+42y=4122 答案:x=20 y=91 3)11x+74y=3548 71x+45y=4730 答案:x=40 y=42 4)53x+54y=3229 70x+43y=2877 答案:x=11 y=49 5)43x+9y=801 76x+16y=1420 答案:x=9 y=46 6)55x+32y=6161...
解方程50道连同答案初一
1-2(2x+3)= -3(2x+1)2(x-2)-3(4x-1)=9(1-x)11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x)3(x-7)-2[9-4(2-x)]=22 3\/2[2\/3(1\/4x-1)-2]-x=2 2(x-2)+2=x+1 5x^2+3x+1=0 7x^2+x+12=0 2x^2+4x+4=0 8x^2+3x+1=0 5x^2+3x+2=0 2(x-2)...
求50道解方程
X+3X=9 70%X + 20%X = 3.6 X× =20×25% + 10X = X - 15%X = 68 X+ X=121 5X-3× = X÷ =12 6X+5 =13.4 3X= X÷ = X+ X= 4X-6× =2 ÷X= X = X = × X÷ = × 4x-3 9 = 29 x + x = 4 X-21×...
初一上学期数学计算题、解方程100道
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道解方程的计算题带答案
6.7x-60.3=6.7 9 +4x=40 0.2x-0.4+0.5=3.7 9.4x-0.4x=16.2 12-4x=20 1\/3x+5\/6x=1.4 12x+34x=1 18x-14x=12 23 x-5×14=14 12+34x=56 22-14x=12 23x-14x=14 x+14x=65 23x=14x+14 30x12x-14x=1 x-0.7x=3.6答案给你?想得美!