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Đức Anh Nguyễn
Giới thiệu về bản thân
ko có gì
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0
2023-03-03 21:28:50
2023-02-11 11:18:32
diện tích trần phòng là :
10 x 8 = 80 ( m2)
diện tích xung quanh phòng là:
(10 x 8 )x 2 x 3,5=2400(m2)
diện tích được lăn sơn là :
2400+80-16=2464(m2)
đáp số:2464 m2