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Nguyễn Trịnh Khánh Nhi+ ( ✎﹏TΣΔM ΔΠGΣLS ΩҒ DΣΔTH )ᵛᶰシ
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T là hs cũ cấp 1UÒU
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0
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0
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0
2023-05-15 15:07:51
Tổng vận tốc hai xe là:
180:2=90(km/h)
Vận tốc xe đi từ a là:
90:5x2=36(km/h)
Vận tốc xe đi từ b là:
90-36=54(km/h)
2023-05-15 15:06:30
c1 bọn t chx đc hc cái này=))
2022-03-30 09:18:03
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2022-02-18 21:52:24
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