题目内容
解方程.
X=
;
X÷
=
;
1.5X=28.5.
| 7 |
| 10 |
| 7 |
| 24 |
X÷
| 5 |
| 8 |
| 8 |
| 25 |
1.5X=28.5.
(1)
X=
,
X÷
=
÷
,
x=
;
(2)X÷
=
,
X÷
×
=
×
,
x=
;
(3)1.5X=28.5,
1.5X÷1.5=28.5÷1.5,
x=19.
| 7 |
| 10 |
| 7 |
| 24 |
| 7 |
| 10 |
| 7 |
| 10 |
| 7 |
| 24 |
| 7 |
| 10 |
x=
| 5 |
| 12 |
(2)X÷
| 5 |
| 8 |
| 8 |
| 25 |
X÷
| 5 |
| 8 |
| 5 |
| 8 |
| 8 |
| 25 |
| 5 |
| 8 |
x=
| 1 |
| 5 |
(3)1.5X=28.5,
1.5X÷1.5=28.5÷1.5,
x=19.
练习册系列答案
相关题目