如题所述
第1个回答 2020-06-10
99×32+32
=(99+1)×32
=100×32
=3200
99×32-32
=(99-1)×32
=98×32
=(100-2)×32
=100×32-2×32
=3200-64
=3200-(70-6)
=3200-70+6
=3130+6
=3136
本回答被网友采纳第2个回答 2020-06-10
=(100-2)*32
=3200-64
=3136
=3200-64
=3136