四年级数学解方程78题.doc

》》》》》》历年考试真题《《《《《《

》》》》》》历年考试真题《《《《《《

》》》》》》历年考试真题《《《《《《

四年级数学解方程78题

20x-50=5028+6x=8832-22x=10

24-3x=310x×（5+1）=6099x=100-x

36÷x=18x÷6=1256-2x=20

4y+2=6x+32=763x+6=18

16+8x=402x-8=84x-3×9=29

8x-3x=1052（x+3）=1012x-9x=9

6x+18=4856x-50x=3078-5x=28

32y-29y=389–9x=8012（y-1）=24

53x-90=1655x-25x=6075y÷75=1

23y÷23=234x-20=080y+20=100-20y

80+5x=1003x÷8=665x+35=100

19y+y=4025-5x=1579y+y=80

42x+28x=14078y+2y=16088-4x=80-2x

51y-y=10085y+1=y+8645x-50=40-45x

10-3x=43x-5+2x+4=1445-6x+9x=15

7x+18-6x+12=6039-5x=92x+3+16x-7=32

33-8x+7-7x=109x-7-6x+5=103x+5=6x-10

2(2x+7)=5-4(x-1)+212(3x-5)=13+5(5-2x)48-(x+8)=3(x-4)

5x-8=16-3x20-4x=x+516-2x=46-8x

7x+9=9x-1710x-6=54-5x25-3x=4x-3

50+3x=70-7x32-7x=62-10x57-12x=27-7x

2×(4x+3)=x+15-3×(2x-3)=22x-3(4x-9)=x-6

12-2x+2(3x-4)=3x+5(7-x)+56x+7-4x=1944-10x+5x=4

3x+6=8x-145(6-2x)+4=34+4(7-3x)2x-3(4x-9)=2+5(1-x)

2(x+7)=3-3(x-5)34-x=6x-2(2x+4)8x-(6-3x)=4(2x-6)+75

2(x+5)-3(4-3x)=76+2(x-3)5-2x=3x-257-8x=9-10x