Contact us
Choose a category below so we can get back to you as quickly as possible.
用5個棱長是2CM的小正方體拼成一個長方體,長方體的表面積(88)cm²;,表面積减少了(32)cm²;,體積是(40)cm³; ;;
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.