Question

(0.94x2.5-0.45)x0.8的简便计算方法？

Answer 1

计算如芦仿滑陪腊大镇下：
(0.94x2.5-0.45)x0.8
=0.94×2.5×0.8-0.45×0.8
=0.94×(2.5×0.8)-0.45×0.8
=0.94×2-0.9×0.4
=1.88-0.36
=1.52

Answer 2

计森穗改此判算如下族桥: (0.94x2.5-0.45)x0.8 =0.94×2.5×0.8-0.45×0.8 =0.94×(2.5×0.8)-0.45×0.8 =0.94×2-0.9×0.4 =1.88-0.36 =1.52”

Answer 3

简单算巧滑法为0.94x2.5-0.45，0.94x2.5-0.45=（孝搜腊1-0.06）x2.2-0.05=2.5-1.06x10/4-0.452.5=0.3/漏枝2-0-45=2.2-1.15-0.15=2.0-0.6=1.9

Answer 4

简亏弊桐单算卜则法0.94x2.5 1 0.45=（1-0.06）x2.5 1 0.45=2.5-0.06x10/4 1 0.45=2.5-0.3/销坦2 1 0.45=2.5-0.15-0.45=2.5-0.6=1.9

Answer 5

（0.94x2.5一0.45）x0.8＝l.52