题目内容
脱式计算。(能简算的要简算)
|
| (1)原式=(0.2+9.1)×0.5 =9.3×0.5 =46.5 |
(2)原式=4.7×(4.7+4.3+1) =4.7×10 =47 |
| (3)原式=0.125×100×8 =12.5×8 =100 |
(4)原式=98.5-1.95×3.1 =98.5-6.045 =92.455 |
练习册系列答案
相关题目
题目内容
脱式计算。(能简算的要简算)
|
| (1)原式=(0.2+9.1)×0.5 =9.3×0.5 =46.5 |
(2)原式=4.7×(4.7+4.3+1) =4.7×10 =47 |
| (3)原式=0.125×100×8 =12.5×8 =100 |
(4)原式=98.5-1.95×3.1 =98.5-6.045 =92.455 |