ONE QUESTION, ONE STEP
ZX-D0B2FF4F50PSAT10 P2 · 第 19 题
PSAT10 P2 · 原库模块 2 · Q19 原库参考解析
\( x=3 \)
\( y=\left(15-x\right)^2 \)
A solution to the given system of equations is (x, y). What is the value of xy?
参考答案：
解题思路
容易忽略的一步
\( y=\left(15-x\right)^2 \)
A solution to the given system of equations is (x, y). What is the value of xy?
