Question

简便计算99×32+32？

Answer 1

这道题的简便算法可以把99+1=100
100×32=3200

Answer 2

99×32+32
=32×(99+1)
=32×100
=3200

Answer 3

99×32+32
=32×（99+1）
=32×100
=3200

Answer 4

=（99+1）×32
=100×32
=3200