(1/4-1/2+1/16)*32
=1/4*32-1/2*32+1/16*32
=8-16+2
=-6
(-2/3-5/9+7/12)*(-36)
=(-2/3)*(-36)-5/9*(-36)+7/12*(-36)
=24-(-20)+(-21)
=24+20-21
=23
计算:
-42/(-6)=42/6=7
(-2又1/12)/1.25=(-25/12)*4/5=-5/3
-3.5/(-3/4)=3.5/(3/4)=14/3
(1/4-1/2+1/16)*32
=1/4*32-1/2*32+1/16*32
=8-16+2
=-6
(-2/3-5/9+7/12)*(-36)
=(-2/3)*(-36)-5/9*(-36)+7/12*(-36)
=24-(-20)+(-21)
=24+20-21
=23
计算:
-42/(-6)=42/6=7
(-2又1/12)/1.25=(-25/12)*4/5=-5/3
-3.5/(-3/4)=3.5/(3/4)=14/3