关于相反数.关于opposite number.If |a|=4,|b|=3,a>b,find the value of
关于相反数.关于opposite number.If |a|=4,|b|=3,a>b,find the value of
If cos(a) = 2/3,find the value of cos(4a)
given that a+b=7 and ab=12,find the value of 2a(square)b+2ab
Find the minimum value of A=x^2 + y^2 if x + y =10
if a B-tree of order 3 has height 3,the most number of nodes
关于 if(!a)x--;else if(b);if(c)x=3;else x=4;
Find the number of ordered pairs of real numbers(a,b) such t
Half of the students in a calss are girls.if the number of b
hrice a number is greater than 3/4 of the number by 81 ,find
? In an assignment A(I) = B, the number of elements in B and
If sin(x) = 4/5,pi/2 < x < pi,find the value of sin(2x)
If A×B=6(A-B),what are the minimum values of A and