若a-b=10且 a^2-b^2=20，则b的值是多少？
-4
英语翻译If a - b = 10 and a^2-b^2=20,what is the value of
7个回答
相关问题
-
If A,B,C,and D are all positive numbers,is the value of A B
-
a/b is a fraction.If 2 is added to the numerator,the value o
-
given that a+b=7 and ab=12,find the value of 2a(square)b+2ab
-
英语翻译The RMS value of a set of values is the square root of t
-
Find the minimum value of A=x^2 + y^2 if x + y =10
-
没读懂的题请翻译1 If a and b are positive and 7a-5=2.what is the gre
-
英语翻译the profession is a reflection of the value of life
-
For what value of A is the plane 2x-2y+z=3 is tangent to the
-
Find the value of 2a+10 when a is equal to 4.5
-
英语翻译Deperciation means a part of the value of the asset is g