(37-15)×(8+160)简便计算

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 20:52:03
(37-15)×(8+160)简便计算

(37-15)×(8+160)简便计算
(37-15)×(8+160)简便计算

(37-15)×(8+160)简便计算
(37-15)×(8+160)
=22x168
=22x(170-2)
=22x170-22x2
=3740-44
=3696

(37-15)×(8+160)=22×168=3696

(37-15)×(8+160)
=(20+2)x(170-2)
=20x170+2x170-20x20-2x2
=3400+340-40-4
=3696