问题
计算题
脱式计算。（能简算的要简算）
|
答案
| (1) (0.2+6.37÷0.7)×0.5 | |
| =(0.2+9.1)×0.5 | |
| =9.3×0.5 | |
| =4.65 | (2) 4.7×4.7+4.7+4.3×4.7 |
| =4.7×(4.7+4.3+1) | |
| =4.7×10 | |
| =47 | |
| (3) 0.125×500×0.2×8 | |
| =(0.125×8)×(500×0.2) | |
| =1×100 | |
| =100 | (4) 98.5-14.82÷7.6×3.1 |
=98.5-6.045
=92.455