题目内容
口算.
| 6.4÷0.8= | 7.5-4.5= | 5.7+4.3= | 0.52= |
| 1÷0.25= | 48.5÷4.85= | 0.36×2= | 2.5×4÷2.5×4= |
| (1)6.4÷0.8=8 | (2)7.5-4.5=3 | (3)5.7+4.3=10 | (4)0.52=0.25 |
| (5)1÷0.25=4 | (6)48.5÷4.85=10 | (7)0.36×2=0.72 | (8)2.5×4÷2.5×4=16 |
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