Contact us
Choose a category below so we can get back to you as quickly as possible.
(24)米比20多20%,3千克比(5)千克少40%
(112)米比80米多40% 80×(1+40%) =80×1.4 =112米 比(50)千克少30%是35千克 35÷(1-30%) =35÷0.7 =50千克
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.