已知[X+3]与[Y+5]互为相反数,求X+Y的值
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已知[X+3]与[Y+5]互为相反数,求X+Y的值
已知[X+3]与[Y+5]互为相反数,求X+Y的值
已知[X+3]与[Y+5]互为相反数,求X+Y的值
[X+3]与[Y+5]互为相反数,[X+3]+[Y+5]=0X+3+Y+5=0 X+Y= -8
x+3=-(y+5) x+y=-8 望采纳
已知[X+3]与[Y+5]互为相反数,求X+Y的值
已知[X+3]与[Y+5]互为相反数,求X+Y的值
已知[X+3]与[Y+5]互为相反数,求X+Y的值
[X+3]与[Y+5]互为相反数,[X+3]+[Y+5]=0X+3+Y+5=0 X+Y= -8
x+3=-(y+5) x+y=-8 望采纳