(-2)²-2²-|-1/4|×(10)²

问题描述:

(-2)²-2²-|-1/4|×(10)²
和-(2又1/2)×(0.5)³×(-2)²×(-8)

(-2)²-2²-|-1/4|×(10)²
=4-4-1/4×100
=0-25
=-25
-(2又1/2)×(0.5)³×(-2)²×(-8)
=-2分之5×8分之1×4×(-8)
=(2分之5×4)×(8分之1×8)
=10×1
=10