几道初一简便计算(1)-48*(1/2-5/8+1/3-11/16)(2)25*3/4-25*(-0.5)-(-1/4)*(-25)(3)-99又17/18*9(4)2+(-3)-(-1)

问题描述:

几道初一简便计算
(1)-48*(1/2-5/8+1/3-11/16)
(2)25*3/4-25*(-0.5)-(-1/4)*(-25)
(3)-99又17/18*9
(4)2+(-3)-(-1)

(1)-1)-48*(1/2-5/8+1/3-11/16)=23
(2)25*3/4-25*(-0.5)-(-1/4)*(-25)=25
(3)-99又17/18*9=-99.105