Contact us
Choose a category below so we can get back to you as quickly as possible.
42比括弧多6分之1 設42比x多6分之1,則: (42-x)/x = 1/6 42 - x = x/6 42 = x/6 + x 42 = 7x/6 6 = x/6 x = 36 括弧裏填36
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.