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Lê Minh Anh
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2022-07-18 15:55:35
bớt chiều dài đi 6m để thêm vào chiều rộng thì mảnh vườn trở thành hình vuông suy ra chiều dài hơn chiều rộng 12m
nửa chu vi mảnh vườn là :
112:2=56 (m)
chiều dài mảnh vườn là :
(56+12):2=34 (m)
chiều rộng mảnh vườn là :
56-34=22 (m)
diện tích mảnh vườn là:
34x22=748 (m2)
đáp số : 748 m2
2022-04-12 14:11:00
2022-04-12 14:11:00
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2022-04-12 14:11:00
2022-04-12 14:06:42
2022-04-12 14:04:12
2022-04-12 14:04:12
2022-04-12 14:04:12