(37-15)×(8+160)简便计算

分类: 作业答案 • 2022-02-14 16:50:29

问题描述：

(37-15)×(8+160)简便计算

答

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

答

(37-15)×(8+160)=22×168=3696

答

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