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lamtamnhu6788
2 năm trước
Giúp mik nha,hơi thiếu dấu do máy mik bị hư 1.Tư 7 giơ 30 phút đến 8 giơ 15 phút có a.85 phút b.40 phút c.45 phút d.30 phút 2.2 ngay 12 giơ băng số giơ la a.132 giơ b.60 giơ c.212 giơ d.94,75 giơ 3.một ngươi đi bộ trong 2 giơ 30 phút thi được 11,25 km.nếu ngươi đó đi bộ trong 3 giơ thi được: a.13,5km b.1,35km c.9,375 km d.93,75km phân 2 4 2 giơ 45 phút-1 giơ 30 phút= 4 phút 30 giây-2 phút 47 giây= 80 phút =….giơ 30 giây=…..phút 2 giơ 30 phút=….giơ 12 giơ=……ngay
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