(-2)²-2^0+(1/2)^-1+³√ -8-√9等于多少

问题描述:

(-2)²-2^0+(1/2)^-1+³√ -8-√9
等于多少

(-2)²-2^0+(1/2)^-1+³√ -8-√9
=4-1+2-2-3
=0