题目内容
解比例或方程:
(1)12:7=x:0.3
(2)60%x÷
=
.
(1)12:7=x:0.3
(2)60%x÷
| 6 |
| 25 |
| 5 |
| 4 |
(1)12:7=x:0.3,
7x=12×0.3,
7x=3.6,
x=
×
,
x=
;
(2)60%x÷
=
,
x=
×
,
x=
,
x=
×
,
x=
.
7x=12×0.3,
7x=3.6,
x=
| 18 |
| 5 |
| 1 |
| 7 |
x=
| 18 |
| 35 |
(2)60%x÷
| 6 |
| 25 |
| 5 |
| 4 |
| 3 |
| 5 |
| 5 |
| 4 |
| 6 |
| 25 |
| 3 |
| 5 |
| 3 |
| 10 |
x=
| 3 |
| 10 |
| 5 |
| 3 |
x=
| 1 |
| 2 |
练习册系列答案
相关题目