题目内容
解方程
X=
ⅹ÷
=
.
| 5 |
| 8 |
| 1 |
| 12 |
ⅹ÷
| 5 |
| 6 |
| 9 |
| 20 |
(1)
x=
,
x÷
=
÷
,
x=
;
(2)ⅹ÷
=
,
ⅹ÷
×
=
×
,
x=
.
| 5 |
| 8 |
| 1 |
| 12 |
| 5 |
| 8 |
| 5 |
| 8 |
| 1 |
| 12 |
| 5 |
| 8 |
x=
| 2 |
| 15 |
(2)ⅹ÷
| 5 |
| 6 |
| 9 |
| 20 |
ⅹ÷
| 5 |
| 6 |
| 5 |
| 6 |
| 9 |
| 20 |
| 5 |
| 6 |
x=
| 3 |
| 8 |
练习册系列答案
相关题目