已知实数a,b满足:|a+4|+√(b-3)=0 则5(a+b)‐¹=_
问题描述:
已知实数a,b满足:|a+4|+√(b-3)=0 则5(a+b)‐¹=_
答
a=-4,b=3,5(a+b)‐¹=5(-4+3)‐¹=5(-1)‐¹=-5
已知实数a,b满足:|a+4|+√(b-3)=0 则5(a+b)‐¹=_
a=-4,b=3,5(a+b)‐¹=5(-4+3)‐¹=5(-1)‐¹=-5