题目内容
| 解比例. (1)
| (2)
|
(1)
=
8x=15×0.4
8x÷8=6÷8
x=
;
(2)
:
=
:x
x=
×
x÷
=
÷
x=
.
| x |
| 0.4 |
| 15 |
| 8 |
8x=15×0.4
8x÷8=6÷8
x=
| 3 |
| 4 |
(2)
| 2 |
| 3 |
| 3 |
| 4 |
| 8 |
| 15 |
| 2 |
| 3 |
| 3 |
| 4 |
| 8 |
| 15 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 5 |
| 2 |
| 3 |
x=
| 3 |
| 5 |
练习册系列答案
相关题目