计算:7/16×8/11+9/16÷11/8

问题描述:

计算:7/16×8/11+9/16÷11/8

7/16/11+9/16÷11/8
=7/16×8/11+9/16×8/11
=(7/16+9/16)×8/11
=16/16×8/11
=1×8/11
=8/11