Contact us
Choose a category below so we can get back to you as quickly as possible.
這道題應該這樣解决,因為所有小正方體都是連在一起的,所以直接計算6個面的投影,而每個面的表面積都是一樣的,重疊到5層,每個面的表面積為15(1+2+3+4+5),6個面,15X6=90,答案就是90平方釐米.如果看不懂,可以這樣想,將…
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.