问题
解答题
口算.
|
答案
56+47=103 | 12.6÷3=4.2 | 0.36÷0.9=0.4 | 910+70=980 | ||||||
0.25×0.4=0.1 |
| 16×5=80 | 1÷0.25=4 | ||||||
| 12+0.8=12.8 |
1 |
40 |
5 |
6 |
口算.
|
56+47=103 | 12.6÷3=4.2 | 0.36÷0.9=0.4 | 910+70=980 | ||||||
0.25×0.4=0.1 |
| 16×5=80 | 1÷0.25=4 | ||||||
| 12+0.8=12.8 |
1 |
40 |
5 |
6 |