| 1.4×8-4X=
| X+25%X=18. |
| 4 |
| 7 |
| 3 |
| 4 |
| 3 |
| 4 |
| 4 |
| 7 |
| 3 |
| 4 |
| 4 |
| 3 |
| 4 |
| 7 |
| 4 |
| 3 |
x=
| 8 |
| 21 |
(2)1.4×8-4x=
| 17 |
| 2 |
11.2-4x=
| 17 |
| 2 |
11.2-4x+4x-
| 17 |
| 2 |
| 17 |
| 2 |
| 17 |
| 2 |
2.7=4x,
4x=2.7,
4x÷4=2.7÷4,
x=0.675,
(3)x+25%x=18,
1.25x=18,
1.25x÷1.25=18÷1.25,
x=14.4.
编辑:chaxungu时间:2026-04-27 13:37:45分类:小学数学题库
| 1.4×8-4X=
| X+25%X=18. |
| 4 |
| 7 |
| 3 |
| 4 |
| 3 |
| 4 |
| 4 |
| 7 |
| 3 |
| 4 |
| 4 |
| 3 |
| 4 |
| 7 |
| 4 |
| 3 |
| 8 |
| 21 |
| 17 |
| 2 |
| 17 |
| 2 |
| 17 |
| 2 |
| 17 |
| 2 |
| 17 |
| 2 |
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