Question

（－2）²×5－（－2）³÷4要过程

Answer 1

优先算乘方
即为4×5-（-8）÷4
优先乘除
即为20-(-2)=22

Answer 2

（－2）²×5－（－2）³÷4
=4X5-(-8)÷4
=20-(-2)
=20+2
=22

Answer 3

(-2)^2=4
(-2)^3=-8
4*5+8/4=22