3/5除以中括号7/8-括号2/5+3/18

Question

3/5除以中括号7/8-括号2/5+3/18

Answer 1

3/5÷【7/8-（2/5+3/8）】
=3/5÷【7/8-31/40】
=3/5÷1/10
=6本回答被网友采纳

Answer 2

3-5/[8/9)]/6]*5/3/5 =[4/9-(5/6-4/2*5/3 =1/3 =5/