计算(-2)²ºº4+(-2)²ºº³
问题描述:
计算(-2)²ºº4+(-2)²ºº³
答
(-2)²ºº4+(-2)²ºº³
=2²ºº4-2²ºº³
=2x2²ºº³-2²ºº³
=(2-1)x2²ºº³
=2²ºº³
答
(-2)²ºº4+(-2)²ºº³
=2²ºº4-2²ºº³
=2²ºº³(2-1)
=2²ºº³
答
(-200)²ºº4+(-200)²ºº³=(200)²ºº4-200²ºº³=200*200²ºº³ -200²ºº³=199*200²ºº...