题目内容
解方程:
6x-3.8=0.7;
x+
x=
.
6x-3.8=0.7;
| 1 |
| 3 |
| 5 |
| 6 |
| 2 |
| 9 |
(1)6x-3.8=0.7,
6x-3.8+3.8=0.7+3.8,
6x÷6=4.5÷6,
x=0.75;
(2)
x+
x=
,
x=
,
x×
=
×
,
x=
.
6x-3.8+3.8=0.7+3.8,
6x÷6=4.5÷6,
x=0.75;
(2)
| 1 |
| 3 |
| 5 |
| 6 |
| 2 |
| 9 |
| 7 |
| 6 |
| 2 |
| 9 |
| 7 |
| 6 |
| 6 |
| 7 |
| 2 |
| 9 |
| 6 |
| 7 |
x=
| 4 |
| 21 |
练习册系列答案
相关题目