题目内容
解方程.
①8x+12=36②
:
=
:x.
①8x+12=36②
| 1 |
| 2 |
| 1 |
| 5 |
| 1 |
| 4 |
(1)8x+12=36,
8x+12-12=36-12,
8x÷8=24÷8,
x=3;
(2)
:
=
:x,
x=
×
,
x×2=
×2,
x=
.
8x+12-12=36-12,
8x÷8=24÷8,
x=3;
(2)
| 1 |
| 2 |
| 1 |
| 5 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 5 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 20 |
x=
| 1 |
| 10 |
练习册系列答案
相关题目