A.a>b+c
B.ac>bc
C.a>c
D.b>c
[单选题]下列代数式中,值一定是正数的是( )A.x2 B.|-x+1| C.(-x)2+2 D.-x2+1
[单选题]已知,那么代数式(a+1)+(a+3)/(b-1)(b-6)的值为( )。A.-2B.-C.D.2
[主观题]已知a=48,b=14,c=14,求代数式abc的值?
[单选题]已知|a-b|+(a+b)=0,那么代数式(a+1)+(a+3)/(b-1)(b-6)的值为( )。A.-2B.-C.D.2
[单选题]已知|a-b|+(a+b)4=0,那么代数式(a+1)+(a+3)/(b-1)(b-6)的值为( )。A.-2B.C.D.2
[单选题]已知|a-b|+(a+b)4=0,那么代数式(a+1)+(a+3)/(b-1)(b-6)的值为( )。A.-2B.C.D.2
[单选题]已知|a-b|+(a+b)4=0,那么代数式(a+1)+(a+3)/(b-1)(b-6)的值为( )。A.-2B.-C.D.2
[单选题]已知|a-b|+(a+b)4=0,那么代数式(a+1)+(a+3)/(b-1)(b-6)的值为( )。A.-2B.-C.D.2
[单选题]已知|a-b|+(a+b)4=0,那么代数式(a+1)+(a+3)/(b-1)(b-6)的值为( )。A.-2B.C.D.2
[单选题]已知|a-b|+(a+b)4=0,那么代数式(a+1)+(a+3)/(b-1)(b-6)的值为( )。A.-2B.C.D.2