CÁC BÀI TIẾP THEO
- Luyện tập chung (trang 137, 138)
- Vận tốc (trang 138, 139)
- Luyện tập (trang 139, 140)
- Quãng đường (trang 140, 141)
- Luyện tập (trang 141, 142)
CÁC BÀI TRƯỚC
- Cộng số đo thời gian (trang 131, 132)
- Trừ số đo thời gian (trang 132, 133)
- Luyện tập (trang 134)
- Nhân số đo thời gian với một số (trang 135)
- Chia số đo thời gian cho một số (trang 136)
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