问题
解答题
口算:
|
答案
4.5÷5=0.9, | 3.8×5=19, | 12.5×80=1000, | 3.4÷0.1=34, | 5.4÷2.7=2, |
0.05×8=0.4, | 1.75+2.25=4, | 7.83-0.83=7, | 3.15×0=0, | 25×0.4=10. |
口算:
|
4.5÷5=0.9, | 3.8×5=19, | 12.5×80=1000, | 3.4÷0.1=34, | 5.4÷2.7=2, |
0.05×8=0.4, | 1.75+2.25=4, | 7.83-0.83=7, | 3.15×0=0, | 25×0.4=10. |