①处应填()
m>0
m>=0
m==0
m<=0
②处应填()
(-1*b-sqrt(m))/(2*a)
(1*b+sqrt(m))/(2*a)
(-1*b+sqrt(m))/(2*a)
(-1* b+sqrt(m))/a
③处应填()
3
4
++2
114514
④处应填()
abs(m)>0.0001
abs(m)<0.0001
m<0.0001
m>0.0001
⑤处应填()
"% f””-1*b/(2*a)
"%.3lf", 1*b/(2*a)
"%.If",-1*b/(2*a)
"%.3lf",1 * b/a
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