题目内容
解方程
4x=
1.7x=25.5
x÷
=
.
4x=
| 1 |
| 5 |
1.7x=25.5
x÷
| 1 |
| 4 |
| 1 |
| 2 |
(1)4x=
4x÷4=
÷4
x=
;
(2)1.7x=25.5
1.7x÷1.7=25.5÷1.7
x=15;
(3)x÷
=
x÷
×
=
×
x=
.
| 1 |
| 5 |
4x÷4=
| 1 |
| 5 |
x=
| 1 |
| 20 |
(2)1.7x=25.5
1.7x÷1.7=25.5÷1.7
x=15;
(3)x÷
| 1 |
| 4 |
| 1 |
| 2 |
x÷
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 2 |
| 1 |
| 4 |
x=
| 1 |
| 8 |
练习册系列答案
相关题目