(3/8+2/17)×8+1/17 的简便计算

分类: 作业答案 • 2021-12-19 11:56:16

问题描述：

答

先是乘法分配率：3/8×8+2/17×8+1/17
则有 3+16/17+1/17=3+1=4

答

原式=3/8×8＋2/17×8＋1/17＝3＋﹙16＋1﹚/17＝4

答

=3/8*8+2/17*8+1/17=3+(2*8+1)/17=4

答

(3/8+2/17)×8+1/17
=3/8×8+2/17×8+1/17
=3+1/17×16+1/17
=3+1/17×(16+1)
=3+1/17×17
=3+1
=4

答

(3/8+2/17)×8+1/17
=3/8×8+2/17×8+1/17
=3+(16/17+1/17)
=3+1
=4