怎样简便就怎样算9/7÷11/6＋2/9×6/115÷5/7-5/7×1/55/16＋(7/16-1/4)÷1/2

Question

怎样简便就怎样算 9/7÷11/6＋2/9×6/11 5÷5/7-5/7×1/5 5/16＋(7/16-1/4)÷1/2

Answer 1

9/7÷11/6＋2/9×6/11=9/7×6/11＋2/9×6/11=(9/7+2/9)×6/11=95/63×6/11=190/231（此题个人认为题目有误）5÷5/7-5/7×1/5=5×7/5-5/7×1/5=7-1/7=6又6/75/16＋(7/16-1/4)÷1/2=5/16＋(7/16-1/4)×2=5/16＋7/16×2...