简便计算
0.49×12.5×0.8; 5.61﹣5.61÷1.5; 0.45×78.2+20.8×0.45+0.45.
竖式计算
0.56×7.2=
2.46÷8.2=
5.202÷0.51=
下面的算式结果小于0.28的是( )
A.0.28×0.14 B.0.28÷0.14 C.0.28×1
5.83÷0.6的商的最高位在 位上,商比5.83 .(填大或小)
口算:
x+0.4x= |
4.8÷0.6= |
1÷0.2= |
5.2×25×0.2= |
0.8×0.8= |
6.23﹣0.2= |
0.7x×5= |
10﹣5.2﹣3.1= |
计算下面各题(能简算的要简算).
2.16÷(2.84+7.96)×0.8
37×9.99
45.7×3.9+5.43×39
[20.08+(32﹣29.9÷23)]÷2.
直接写出得数.
0.5×1.4= |
2.14﹣0.9= |
0.27÷0.06= |
0.99+1.8= |
2.15﹣0.09= |
64.32÷16= |
500×0.02= |
8.02﹣7.4= |
18×0.2÷18×0.2=( )
A.1 | B.0.4 | C.0.04 | D.0 |