负10加8除以负2的2次方减去负4乘以负33乘以负4加负28除以7

问题描述:

负10加8除以负2的2次方减去负4乘以负3
3乘以负4加负28除以7

-10+8÷(-2)²-(-4)×(-3)
=-10+8÷4-12
=-10+2-12
=-20