题目内容
口算.
| 80×20%= | 24×0.2= | 5-
|
| 32= | ||||
| 36÷12%= | 1
| 2.1+3.25= |
| (0.2)2×52= |
| 80×20%=16, | 24×0.2=4.8, | 5-
|
| 32=9, | ||||||||
| 36÷12%=300, | 1
| 2.1+3.25=5.35, |
| (0.2)2×52=1. |
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