脱式计算.
6.8×0.75÷0.5
13.75÷0.125﹣2.75
42÷(5.25÷0.25)
1.53+23.4÷7.2.
计算下面各题.
(24+9.6÷2.4)×0.5
125﹣100÷(2.07﹣1.27)
13.5÷[(7.2﹣0.53)×25]
4.5×[(5.52﹣5.48)÷0.01].
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] |
简便计算.
①31.7﹣0.5×0.7﹣1.65
②35.72﹣4.9﹣(5.72+5.1)
③111﹣3.67×2.8﹣3.67×7.2
④12.5×6.3+27×1.25+0.125÷0.01.
直接写得数.
3.52+0.8=
4×0.25=
1﹣0.09=
7.2÷3=
4.3÷0.1=
11.7+1.6﹣11.7+1.6=
2.14×0.3÷2.14×0.3=
列竖式计算
3.56+7.5= |
3﹣2.08= |
2.25×48= |
44÷50= |
5.06×1.3= |
0.72÷1.5= |
35.5×180= |
50.4÷0.48= |
40.5÷0.18= |
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 |
怎样算简便就怎样算.
6.24÷4+3.76×0.25 |
16.2×9.9+1.62 |
7.75×[20÷(3.24﹣3.04)] |
788÷12.5÷0.8 |
276.4×11﹣276.4 |
25×(4.7+4.7+4.7+4.7) |
用竖式计算,减法题要验算,乘法题得数保留两位小数.
4.6﹣1.96
0.65×0.48
32.32÷16.
用竖式计算.
9.73+0.27= |
6﹣1.55= |
3.05×0.66= |
22.5÷0.25= |
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)]. |
试题篮
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