作业帮a²+3a+b²-4a+1/4=-6 a=______ b=_______打错了;正确的是：a²+3a+b²-4b+1/4=-6 a=______ b=_______
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a²+3a+b²-4a+1/4=-6 a=______ b=_______打错了;正确的是：a²+3a+b²-4b+1/4=-6 a=______ b=_______
a²+3a+b²-4a+1/4=-6 a=______ b=_______
打错了;正确的是：a²+3a+b²-4b+1/4=-6 a=______ b=_______
a²+3a+b²-4a+1/4=-6 a=______ b=_______打错了;正确的是：a²+3a+b²-4b+1/4=-6 a=______ b=_______
a²+3a+b²-4b+1/4=-6 a=__-3/2__ b=___2__
a²+3a+b²-4b+1/4=-6
a²+3a+b²-4b+1/4+6=0
(a+3/2)²+(b-2)²=0
∴a=-3/2,b=2