(1) -(-8)-(+5)+[-(-3)]+(-2)=8-5+3-2=4
(2) +(-8)-(+6)+(-4)-(-2)=-8-6-4+2=-16
已知a是-5的相反数,b比a的倒数大3,则b比a大( 5/16 ).
已知|x+3|与|y+2|互为相反数,则x-y=( ).
(-11/3)-(-11/4)-(-5/3)-(+1.75)=-11/3+11/4+5/3-1.75=-1
(1) -(-8)-(+5)+[-(-3)]+(-2)=8-5+3-2=4
(2) +(-8)-(+6)+(-4)-(-2)=-8-6-4+2=-16
已知a是-5的相反数,b比a的倒数大3,则b比a大( 5/16 ).
已知|x+3|与|y+2|互为相反数,则x-y=( ).
(-11/3)-(-11/4)-(-5/3)-(+1.75)=-11/3+11/4+5/3-1.75=-1