Contact us
Choose a category below so we can get back to you as quickly as possible.
1.已知關於x的方程3(x-1)=x-7a的解為負數,求a得取值範圍 2.關於x的方程2x+3k=1的解是負數,則k的取值範圍是 3已知關於X的方程3K-5X=-9的解是非負數,求K的取值範圍
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.