Question

下面这题用简便计算怎么算99×99+33×3

Answer 1

99x99+99
=99x(99+1)
=99x100
=9900
祝好好学习，天天向上！答题很辛苦，请采纳

Answer 2

99×99+33×3
=99×99+99
=99×（99+1）
=9900