解方程:
|
| Χ-10%Χ=81. |
| 2 |
| 3 |
| 3 |
| 4 |
| 2 |
| 3 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
| 2 |
| 3 |
| 3 |
| 2 |
| 1 |
| 4 |
| 3 |
| 2 |
X=
| 3 |
| 8 |
(2)
| 3 |
| 4 |
| 2 |
| 3 |
| 1 |
| 6 |
| 17 |
| 12 |
| 1 |
| 6 |
| 17 |
| 12 |
| 12 |
| 17 |
| 1 |
| 6 |
| 12 |
| 17 |
X=
| 2 |
| 17 |
(3)Χ-10%Χ=81,
0.9X=81,
0.9X÷0.9=81÷0.9,
X=90.
编辑:chaxungu时间:2026-04-27 13:37:46分类:小学数学题库
解方程:
|
| Χ-10%Χ=81. |
| 2 |
| 3 |
| 3 |
| 4 |
| 2 |
| 3 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
| 2 |
| 3 |
| 3 |
| 2 |
| 1 |
| 4 |
| 3 |
| 2 |
| 3 |
| 8 |
| 3 |
| 4 |
| 2 |
| 3 |
| 1 |
| 6 |
| 17 |
| 12 |
| 1 |
| 6 |
| 17 |
| 12 |
| 12 |
| 17 |
| 1 |
| 6 |
| 12 |
| 17 |
| 2 |
| 17 |
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