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Nguyễn Phan Thảo Nhiên
Giới thiệu về bản thân
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2022-05-03 21:14:30
a) Diện tích hình vuông là:
9 x 9 = 81 (cm2)
b) Diện tích hình vuông là:
29 x 29 = 841 (cm2)
Đáp số: a) 81cm2
b) 8412
2022-05-03 21:03:22
Bằng 109 998 nha!
2022-05-03 21:01:47
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