35/121乘以5/37加5/121乘2/37怎样简便计算?

分类: 作业答案 • 2022-03-04 21:56:43

问题描述：

答

35/121×5/37+5/121×2/37
=35/121×5/37+2/121×5/37
=(35/121+2/121)×5/37
=37/121×5/37
=5/121