解方程及解比例练习题
解比例:
x:10=: 0.4:x=1.2:2 11123= 43
112:5=14:x 0.8:4=x:8
1.25:0.25=x:1.6
2=89x 2.4x34:x=3:12 3654x=3 x: =6: 24.5624 = 45:x=18:26 325
2.8:4.2=x:9.6
x:24= 3:143 8:x=
x2.2110:x=18:14 2.8:4.2=x:9.6 4:354 58:116=x: 12 110.61.5
0.6∶4=2.4∶x 6∶x=∶ =
5312x
3141142511
∶=x∶ ∶=∶x x∶=0.7∶ 425
10∶50=x∶40
13∶120=169∶ 解方程
X- 237 X=4 2X +
X×3=20×154 25% + 10X =
X+38X=121 5X
12536142 1.3∶x=5.2∶20 x∶3.6=6∶18 x 4.60.2=83xx 8=64
25 = 35 70%X + 20%X = 3.6 45 X - 15%X = 68 -3×552121=7 3X÷4=12 313X?? 3X=3 6X+5 =13.4 X÷2=7716 X
125 ÷X=310 X÷ 635=2645×1325
310X-21×23=4
6X+5 =13.4 4488+78X=34 4X-6×23=2 32581165 X = 72 9 X = 6×51 x-3 ×9 = 29 12x + 16x = 4
x?14x?20 2(x?2.6)?8 213
5 X-3 X=10
4χ-6=38
45X=
1544158 X= X÷= 195282115213258116X÷=12 X= X=× 34 X÷6261335=45÷25
4+0.7X=102
X-38X=400 X-0.125X=8
X+37 X=18 X
57214 2X+132X=42 X+×( 16 + 38 )=1312 x9651X4=30%
14X=105 363X = 4
-0.375x=56 X-0.25=