Huỳnh Minh Phúc
Giới thiệu về bản thân
Have a nice day :)
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2024-08-13 16:57:02
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2024-08-13 16:31:17
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2024-08-13 16:30:26
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2024-08-13 16:16:58
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2024-08-13 16:15:11
bình phương đường chéo = 49 + 36 = 85 dm
Đường chéo = 9,2 dm
2024-08-13 16:15:10
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2024-08-13 16:13:12
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2024-08-13 16:12:11
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2024-08-13 15:25:29
a) 5/7 . 5/11 + 5/7 . 6/11 - 5/7 . 4/11
= 5/7 . (5/11 + 6/11 - 4/11)
= 5/7 . 7/11
= 5/11
b) 1,2 - 32 + 7,5 : 3
= 1,2 - 9 + 2,5
= -7,8 + 2,5
= -5,3
2024-08-13 15:25:29
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