方程3x2+4x=0的根是______.
3x2+4x=0,
∴x(3x+4)=0,
∴x1=0,x2=-43.
故答案为:x1=0,x2=-43.
读一读,补全对话。
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疾病初起,恶寒发热同时并见,多为()
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E.阳明病证