九分之五乘六分之五加九分之四除以五分之六 简便计算

问题描述:

九分之五乘六分之五加九分之四除以五分之六 简便计算

5/9×5/6+4/9÷6/5
=5/9×5/6+4/9×5/6
=(5/9+4/9)×5/6
=1×5/6
=5/6

六分之五

亲爱的楼主:
5/9×5/6+4/9÷6/5
=5/9×5/6+4/9×5/6
=(=5/9+4/9)×5/6
=1×5/6
=5/6
祝您步步高升

就是九分之四与九分之五的和乘六分之五