来自寇春海的问题
一道AMC数学题Therealnumberc,b,aformanarithmeticsequencewitha≥b≥c≥0.Thequadraticax²+bx+chasexactlyoneroot.Whatisthisroot?(A)-7-4√3(B)-2-√3(C)-1(D)-2+√3(E)-7+4√3
一道AMC数学题
Therealnumberc,b,aformanarithmeticsequencewitha≥b≥c≥0.Thequadraticax²+bx+chasexactlyoneroot.Whatisthisroot?
(A)-7-4√3(B)-2-√3(C)-1(D)-2+√3(E)-7+4√3
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2020-06-03 03:33