14. How many ordered pairs of integers(m,n)satisfy the equationm^{2}+mn+n^{2}=m^{2}n?满足方程m^{2}+mn+n^{2}=m^{2}n^{2}的有序整数对(m,n)有多少个?(A)1(B)3(C)5(D)6(E)7 相关知识点: 试题来源: 解析C 将原方程变形为 m^2(1-n^2) + n(m+n) = 0,并进行因式...
How many ordered pairs (a,b) of positive integers satisfy the equation a⋅b+63=20⋅lcm(a,b)+12⋅gcd(a,b), where gcd(a,b) denotes the greatest common divisor of a and b, and lcm(a,b) denotes their least common multiple?( )...
【题目】How many ordered pairs (a,b) such that a is a positive real number and b is an integer between 2 and200, inclusive, satisfy the equation(log_6a)^(2017)=log_b(a^(2017))?()A.198B.199C.398D.399E.597 相关知识点:
How many ordered pairs of real numbers (x,y) satisfy the following system of equations? x+3y=3||x|−|y||=1(2018 AMC 10A Problem 12)A.1B.2C.3D.4E.8 答案 C相关推荐 1How many ordered pairs of real numbers (x,y) satisfy the following system of equations? x+3y=3||x|−|y...
百度试题 结果1 题目【题目】How many ordered pairs of real numbers (r,y) satisfy the following system of equations?x+3y=3||x|-|y||=1 .(A.1B.2C.3D.4E.8 相关知识点: 试题来源: 解析 【解析】C 反馈 收藏
结果一 题目 【题目】How many ordered pairs of integers (,y) satisfy(x+y)/(x^2-xy+y^2)=3/7 答案 【解析】x=5;y=4. x=4;y=5.相关推荐 1【题目】How many ordered pairs of integers (,y) satisfy(x+y)/(x^2-xy+y^2)=3/7 ...
百度试题 结果1 题目22 How many ordered pairs of integers(x,y)satisfy the equation A. 1 B. 2 success C. 3 D. 4 相关知识点: 试题来源: 解析 D 反馈 收藏
How many ordered pairs of positive integers (M,N) satisty the equation M6=6N?( ) A.6 B.7 C.8 D.9 E.10 相关知识点: 试题来源: 解析 D 结果一 题目 若,则. 答案 将代入得,综上所述,答案:3 结果二 题目 若,则的值为. 答案 已知则 (cos ( (α - (3π ) (10)) )) (sin ( (...
2x+3y=9 999 999 999 999⇔2x=3(3 333 333 333 333−y),The right side is divisible by 3,so the left is too, and x=3 , a prime. 有多少个有序正整数(x,y)满足2x+3y=9 999 999 999 999,其中x是素数( ). A.没有 B.一个 C.两个 D.三个 2x+3y=9 999 999 999 999⇔2x=...
还有一点是 positive integers正整数不是应该不包括0么? 相关知识点: 试题来源: 解析 不一定是递增的 ordered pair的意思是有序对 也就是说(1,0)和(0,1)不是一回事 相当于x对应第一个数,y对应第二个数 分析总结。 orderedpairsofpositiveintegers这里的有序是必须递增的么就是说10不对反馈 收藏 ...