3/4+1/4-3/4-1/4 (5/8+2/27)*8+11/27 36*(7/9+5/6)÷58 2/3*3/5-1/2÷9/4

问题描述:

3/4+1/4-3/4-1/4 (5/8+2/27)*8+11/27 36*(7/9+5/6)÷58 2/3*3/5-1/2÷9/4

3/4+1/4-3/4-1/4 =(3/4-3/4)+(1/4-1/4)=0+0=0(5/8+2/27)*8+11/27 =5+16/27+11/27=5+1=636*(7/9+5/6)÷58 =(36x7/9+36x5/6)÷58=(28+30)÷58=12/3*3/5-1/2÷9/4=2/5-2/9=8/45手机提问的朋友在客户端右上角评...