+
= 
﹣
=
×
= 2﹣
+相关试题
下面各题怎样简便就怎样计算．
| 15.64﹣2.53﹣7.47 |
2.5×1.4×4 |
8.3×5.7+5.7×1.7 |
| 4.7+7.69+5.3+2.31 |
0.2×9.9+0.02 |
38×0.3﹣7.2 |
直接写出得数．
| 0.35+0.45= |
0.5×100= |
29×9+29= |
3.8+0.12= |
0.6﹣0.37= |
| 10﹣0.09= |
5÷1000= |
4.8÷100×10= |
6﹣0.61﹣0.39= |
4.9+0.1﹣4.9+0.1= |
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