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Hãy luôn nhớ cảm ơn và vote 5*
nếu câu trả lời hữu ích nhé!
1 giờ = 60 phút
vậy 5 giờ = 60 x 5 hoặc 5 x 60 đều bằng 300.
5 giờ 30 phút : 3
= (60 + 30) : 3
= 90 : 3
= 30 phút
____________________________________
90 |_3_
9 | 30
00
0
⇒ 30 phút
XIN HAY NHẤT Ạ
Hãy giúp mọi người biết câu trả lời này thế nào?

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