数学题求救!!!!!

2025-02-24 02:09:45
推荐回答(2个)
回答1:

呵呵!黄:[40×(65-10)+40×65+40×40]×2
=6400x2
=12800(cm2)
红:65x40x2+40x40x3
=130+1600x3
=130+4800
=4930(cm2)

回答2:

具体数据?