简算101*5/11+103*3/11+102*3/11
问题描述:
简算101*5/11+103*3/11+102*3/11
答
101*5/11+103*3/11+102*3/11
=101*5/11+(103+102)*3/11
=101*5/11+205*3/11
=101*5/11+123*5/11
=(101+123)×5/11
=224×5/11
=220×5/11+4×5/11
=100+20/11
=101又9/11