直接写出得数.
÷ = |
× = |
+ = |
2﹣ ﹣ = |
÷4= |
54× = |
0.42= |
×0÷ = |
解下列方程.
(1)
(2)5x﹣3×
=
(3)x×5=100×
.
下列各题怎样简便就怎样算.
﹣ ÷ +![]() |
× + ÷![]() |
( × ﹣ )÷![]() |
÷ + ÷![]() |
÷[ +(1﹣ )] |
( + ﹣ )×24 |
直接写出得数
6× = |
1﹣ = |
×4= |
÷15= |
× = |
× = |
÷ = |
÷ = |
4÷ = |
6× = |
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] |
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.
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= |
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)]. |
用竖式计算.
| 9.73+0.27= |
6﹣1.55= |
| 3.05×0.66= |
22.5÷0.25= |
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= |