12*52.2*29.6*11.9/3.7/17/14的简便运算
问题描述:
12*52.2*29.6*11.9/3.7/17/14的简便运算
答
29.6/3.7=8
11.9/17/14=0.05
12*52.2*8*0.05=4.8*52.2=250.56
答
去买个计算器
答
12*52.2*29.6*11.9/3.7/17/14
=(2*6)*52.2*(3.7*8)*(0.7*17)/(3.7*17*2*7)
=6*52.2*8*0.1
=52.2*4.8
=250.56