Question

做以下下题目,加八十分72.5乘8.4+1.67.8乘9.9+0.781.25乘0.25乘643.14-0.24乘1.2

Answer 1

计算器嘛

72.5*(10-1.6)+1.6=610.6

7.8*9.9+7.8*0.1=78

(1.25*8)*(0.25*4)*2=20

3.14-0.2*(1.2^2)=2.852

(5.6+4.4)*4.4=44