h>34intmain() {56doublea, b, c, x1, x2;7doubledelta, real, imag
99deltamath99calcmedic99desmos99geogebra99wolfram
在mydb数据库中创建student数据表,表中有id,name(学生姓名),math
pythonhelpfultrick
h>intmain(){floata,b,c,x1,x2;floatdelta,real,imag
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