(3/2-5/6+5/12-7/8)*(-12) 3/2*【(2/3)的立方-2】-(-1/8)*(-4) (-8/25)*1.25*(-8) 好的追分·······························(1-1/3)*(1-1/
问题描述:
(3/2-5/6+5/12-7/8)*(-12) 3/2*【(2/3)的立方-2】-(-1/8)*(-4) (-8/25)*1.25*(-8) 好的追分·······························(1-1/3)*(1-1/4)*(1-1/5).*(1-1/100) ·`~·`·`~·
答
1、(3/2-5/6+5/12-7/8)*(-12) =(36/24-20/24+10/24-21/24)*(-12) =-5/2 2、3/2*【(2/3)的立方-2】-(-1/8)*(-4) =(2/3)2-3-1/2 =55/18 3、(-8/25)*1.25*(-8) =(-8/25)*125/100*(-8) =5/16 4、(1-1/3)*(1-1/4)*(1-1/5).*(1-1/100) =2/3*3/4*4/5*.*98/99*99/100 =2/100 =1/50