(5/9+1/36)*9+3/4 =5/9*9+1/36*9+3/4=5+（1/4+3/4）=5+1=6（5/12+1/6）/（2/5*7/8） =7/12÷7/8÷2/5=2/3÷2/5=5/37.6/13+5.4*1/13 =（7.6+5.4）*1/13=13*1/13=15/6/{（0.5-3/16）*8/9}=5/6÷{5/16*8/9}=5/6÷5/18=3...