问题
解答题
口算.
|
答案
0.99+1.8=2.79, | 4.2÷3=1.4, | 1.5×0.4=0.6, |
7+4.8=11.8, | 2×0.05=0.1, | 0.72÷0.9=0.8, |
5-5.6=-0.6, | 2.4÷0.06=40, | 7.8+0.3-7.8+0.3=0.6. |
口算.
|
0.99+1.8=2.79, | 4.2÷3=1.4, | 1.5×0.4=0.6, |
7+4.8=11.8, | 2×0.05=0.1, | 0.72÷0.9=0.8, |
5-5.6=-0.6, | 2.4÷0.06=40, | 7.8+0.3-7.8+0.3=0.6. |