．相关试题
计算下面各题，能简便计算的要简便计算．
| 5.27﹣1.98﹣0.02 |
3.2×5.7+6.8×5.7 |
| 2.5×6.8×0.4 |
5.6﹣36÷30 |
| 0.72+9.6÷3.2 |
7.75×[20÷（3.24﹣3.04）]． |
直接写得数．
| 6+2.4= |
0.3×0.2= |
0.55﹣0.5= |
4.8÷6= |
| 6.6×0.1= |
0.5×2.4= |
1﹣0.2= |
4.6+5.4= |
| 0.2÷0.01= |
0.8×100= |
6×0.01= |
5.5÷10= |
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