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0,5 giờ = 30 phút
0,4 phút = 24 giây
126 giây = 2.1 phút
Chúc bạn học tốt!
3 năm = 36 tháng
2,5 năm = 30 tháng
5 năm rưỡi = 66 tháng
3 phần 4 ngày = 18 giờ
4 giờ = 240 phút
1 phần 4 giờ = 15 phút
2,8 phút 30 giây = 198 giây
2 phần 3 giờ = 40 phút.
k mik nha, mik làm đúng đó. 100%
3 năm = 36 tháng
2,5 năm = 30 tháng
5 năm rưỡi = 66 tháng
3 phần 4 ngày = 18 giờ
4 giờ = 240 phút
1 phần 4 giờ = 15 phút
2,8 phút 30 giây = 198 giây
2 phần 3 giờ = 40 phút
1 phần 6 giờ = \(\frac{1}{6}\)x 60 x 60 = 600 (giây) (Nhớ k cho mình với nhá!)
Đổi 720 km = 720 000 1 giờ = 60 phút 1 giờ = 3600 giây
Vận tốc của xe đó với đơn vị đó km/giây là :
720 : 60 = 12 ( km/phút 0
Vận tốc của xe đó với đơn vị đo m/giây là :
720 000 : 36 000 = 20 ( m/giây )
Đ/s : ...............
2,3 giờ=2 giờ 18 phút
4,5 phút=4 phút 30 giây
203 phút=3 giờ 23 phút
Bằng 3600 giây phải ko bạn???
1 giờ có 3600 giây
3600 giay
1 giờ có 3600 giây !@#$%^&*(
3600 đúng ko ?
1 gio = 3600 giay
1gio=3600giay
một giờ bằng 3600 giây
là 3600 giây
là 3600 giây
1 giờ bằng 3600 giây
1 gio = 36000 giây
1 giờ = 3600 giây
ai thấy mình làm đúng
tích mình mình tích lại gấp đôi
1 giò = 60x60=3600 giây
1 phút = 60 giây
1 giờ = 60 phút
1 phút nhân 60 phút = 60* 60 = 3600 giây
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là 3600 giây
=156477 giay
tk cho minh nha
là 3600 giây nha bạn
là 3600 giây bạn nha
là 3600 giây nha bạn
1giờ=36000 giây
Là 1giờ= 3600 giây