given that (x^2m+n)(y^n+2)/4 and -3x^m+3(y^7) are like terms,find the values of m & n.四分之一乘以x的2m+n次方乘以y的n+2次方are like terms[这一句我也不太清楚],找出未知数m以及n.其实我也觉得比较难.希望大家能

given that (x^2m+n)(y^n+2)/4 and -3x^m+3(y^7) are like terms,find the values of m & n.四分之一乘以x的2m+n次方乘以y的n+2次方are like terms[这一句我也不太清楚],找出未知数m以及n.其实我也觉得比较难.希望大家能 If is given that N is an integer.Prove that (a) 3(2N-1)+1 is an even number. An object of mass m = 6.05 kg has an acceleration a = (1.17 m/s2)x + (-0.664 m/s2)y.Three forces act on this object:F1,F2,and F3.Given that F1 = (2.96 N)X and F2 = (-1.55 N)x + (2.05 N)y,find F3.F3=( )X + ( )Y? given that f(x)=2x-3,find the value of f(x+h). Given the coefficient of in the expansion of is 189,show that the value of n = 7.）我知道意思嗄～^^ coeffient后面是X^2;of后面是(1+3x)^n 一组学生身高的正态分布平均值是165cm,标准差是16cm,求随机选到学生身高超过170cm的概率已知 N(205,20的2次方),求P(X小于等于230)的概率2、 Given that X〜N （205,20平方).Find the probability that P(X 小 2x+n/m=m/n-(m/n+n/m)x（m+n不等于0） 杭电acm1017题 感觉代码没错,但就是ac不了,我无解了,题目是这样的：Given two integers n and m,count the number of pairs of integers (a,b) such that 0 < a < b < n and (a^2+b^2 +m)/(ab) is an integer.This problem contains multiple 英语翻译一 Given that y varies directly as x^2 and that y=48 when x=4 ,find the equation connecting y and x . (x+y)(m+n)2-(x+y)(m+n)2 若m-2n,x 若m-2n,x given that x=(Sin(2/5))^(-1),find the exact value of 1.(Cosx)^2 2.(Tanx)^2 m(x-y)^n+n(y-x)^2n因式分解 given that y=(1+4x)e^-2x show that d^2y/dx^2+2dy/dx+xy=0 solve x^4 - 2x^3 + 4x^2 + 30x - 13 = 0 given that 2+3i is a root. Given that f(x)=2x^2-12x+11, for the domain x>=0, find the range of f? m^2（x-n）=n^2（x-m）(m^2≠n^2)