C1317 I'll Give You a Math Book

It's a calculus in advanced mathematics.

The question was: X - 2x Y + Y = 6 to confirm that Y is X, please Y. "

Emm, you might not believe it, but with your level, it's better to start from outstanding mathematics.

But every time Qin Luo said this sentence, he would forcefully swallow it back down.

Just treat it as giving him a chance.

After thinking for a while