口算。
0.4×0.02= 3.5＋7.6= 1.23÷3= 2.4×2.5= 16÷1.6= 0.9÷0.01= 7÷0.25= 99×0.25= 12×0.4＋0.4×13= 4×(1.5＋0.25)=
相关试题
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×4=
÷15=
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=计算下面各题，能简便的运用简便方法计算．
| 86.9+9.1÷（2.3﹣1.6） |
3.56﹣0.2+6.44﹣4.8 |
21.4﹣40.5÷7.5 |
| 8.52﹣（5.52+0.9） |
3.12+3.12×99 |
11÷[（0.4+0.04）×0.5] |
直接写得数
| 0.2﹣0.02= |
0.1÷0.05= |
4×0.5= |
0.26+0.74= |
12.5×0.8= |
| 8b﹣3b= |
0.52﹣0.2= |
4a×a= |
0.72÷0.9= |
14÷35= |
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