Contact us
Choose a category below so we can get back to you as quickly as possible.
(-5/12-2又7/12)-(-1/2+1/6) = -3+1/3 = -2又2/3 0.125)的5次方*8的4次方= =1/8×(1/8×8)的4次方 =1/8×1 =1/8 (-18)÷2又1/4*4/9÷(-16)= = -18×4/9×4/9÷(-16) = 2/9
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.