99乘以82+82怎么简便算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 20:12:02
99乘以82+82怎么简便算99乘以82+82怎么简便算99乘以82+82怎么简便算99×82+82=99×82+1×82=(99+1)×82=100×82=820099×82+82=82×(99+1

99乘以82+82怎么简便算
99乘以82+82怎么简便算

99乘以82+82怎么简便算
99×82+82
=99×82+1×82
=(99+1)×82
=100×82
=8200

99×82+82
=82×(99+1)
=82×100
=8200

原式=99*82+82
=(99+1)*82
=8200

99乘以82+82
=82x(99+1)
=82x100
=8200

不就是(99+1)×82。提取公共部分82啊