根號(hào)和平方數(shù)都是大于等于0,和為0,則：
x+1=0
3x+y-1=0
解得：
x=-1
y=4
所以：
³√4x+y²
=³√-4+16
=³√12
若根號(hào)x+1 +(3x+y-1)^2=0 求三次根號(hào)4x+y^2的值
若根號(hào)x+1 +(3x+y-1)^2=0 求三次根號(hào)4x+y^2的值
數(shù)學(xué)人氣：947 ℃時(shí)間：2020-02-03 01:47:43
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