Question

83-28-19.41-20.59+16.72用简便计算方法？

Answer 1

83-28-19.41-20.59+16.72这道题可以列式为83+16.72-（19.41+20.59）＝99.72-40＝59.72。这就是这道题的简便运算方法。

Answer 2

简便运算：83-28-19.41-20.59+16.72=83-28-（19.41+20.59）+16.72=83-28-40+16.72=83-（40+28）+16.72=83-68+16.72=15+16.72=31.72

Answer 3

83+16.72-（28+19.41+20.59）变换成这种形式。括号内的三数的和为68。
就是简便运算

Answer 4

可以这样简便计算，83-28-19.41-20.59+16.72=83-28-（19.41+20.59）+16.72=55-40+16.72=31.72，简便计算完毕。

Answer 5

应该是83.28-19.41-20.59+16.72＝(83.28+16.72)-(19.41+20.59)＝100-40＝60