| 2×(X-0.7)=4.8 | 3
| X:4
|
2X-1.4=4.8,
2X-1.4+1.4=4.8+1.4,
2X=6.2,
2X÷2=6.2÷2,
X=3.1;
(2)3
| 4 |
| 5 |
(3
| 4 |
| 5 |
5X=25,
5X÷5=25÷5,
X=5;
(3)X:4
| 1 |
| 2 |
| 7 |
| 9 |
| 2 |
| 3 |
5
| 2 |
| 3 |
| 1 |
| 2 |
| 7 |
| 9 |
| 17 |
| 3 |
| 25 |
| 2 |
| 17 |
| 3 |
| 3 |
| 17 |
| 25 |
| 2 |
| 3 |
| 17 |
X=
| 75 |
| 34 |
编辑:chaxungu时间:2026-04-27 13:38:17分类:小学数学题库
| 2×(X-0.7)=4.8 | 3
| X:4
|
| 4 |
| 5 |
| 4 |
| 5 |
| 1 |
| 2 |
| 7 |
| 9 |
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| 7 |
| 9 |
| 17 |
| 3 |
| 25 |
| 2 |
| 17 |
| 3 |
| 3 |
| 17 |
| 25 |
| 2 |
| 3 |
| 17 |
| 75 |
| 34 |