已知⊙O1和⊙O2的半径分别是一元二次方程x2-5x+6=0的两根,且O1O2=1,则

已知⊙O1和⊙O2的半径分别是一元二次方程x25x+6=0的两根,O1O2=1,则⊙O1和⊙O2的位置关系是_______.

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