X-0.24=
| x:75=
| ||||||
| 15x-7x=0.15 |
|
(1)X-0.24=
| 1 |
| 4 |
X-0.24+0.24=
| 1 |
| 4 |
X=0.49;
(2)x:75=
| 1 |
| 2 |
| 3 |
| 10 |
| 3 |
| 10 |
| 1 |
| 2 |
| 3 |
| 10 |
| 75 |
| 2 |
| 3 |
| 10 |
| 3 |
| 10 |
| 75 |
| 2 |
| 3 |
| 10 |
x=125;
(3)15x-7x=0.15,
8x=0.15,
8x÷8=0.15÷8,
x=0.01875;
(4)
| x |
| 4 |
| x |
| 4 |
x=1.
编辑:chaxungu时间:2026-04-27 13:38:03分类:小学数学题库
X-0.24=
| x:75=
| ||||||
| 15x-7x=0.15 |
|
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 2 |
| 3 |
| 10 |
| 3 |
| 10 |
| 1 |
| 2 |
| 3 |
| 10 |
| 75 |
| 2 |
| 3 |
| 10 |
| 3 |
| 10 |
| 75 |
| 2 |
| 3 |
| 10 |
| x |
| 4 |
| x |
| 4 |