| 0.4:0.5=
|
(1)
| 2 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 6 |
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 6 |
| 2 |
| 3 |
x=
| 1 |
| 4 |
(2)0.4:0.5=
| x+5 |
| 10 |
0.5(x+5)=0.4×10,
0.5(x+5)=4,
0.5(x+5)÷0.5=4÷0.5,
x+5=8,
x+5-5=8-5,
x=3.
编辑:chaxungu时间:2026-04-27 13:38:20分类:小学数学题库
| 0.4:0.5=
|
| 2 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 6 |
| 2 |
| 3 |
| 2 |
| 3 |
| 1 |
| 6 |
| 2 |
| 3 |
| 1 |
| 4 |
| x+5 |
| 10 |