1. trong buổi thực hnnh môn Kỹ thunt, để lnm 5 bông hon một pnn đn lnm hêt 15phut 45gi. hỏi trung bình pn đo lnm được 1 bông hon trong thời ginn bon lnu ?
m.n giup mình nhn!!!
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CM
25 tháng 11 2018
Trung bình làm một bông hoa hết số thời gian là:
15 phút 45 giây : 5 = 3 phút 9 giây
Đáp số: 3 phút 9 giây
MN
27 tháng 3 2023
Đổi 15p45s=15,75p
Trugn bình 1 bông hoa làm trong
15,75 : 5=3,15(phút)
27 tháng 3 2023
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VN
6 tháng 7 2017
Đổi 15 phút 45 giây = 945 giây . Vậy trung bình bạn đó làm 1 bông hoa hết số thời gian là : 945 : 5 = 189 (giây) =3 phút 9 giây Đáp số : 3 phút 9 giây
6 tháng 7 2017
Đổi 15 phút 45 giây = 945 giây
Trung bình bn đó làm 1 bông trong số giây là:
945:5=189(giây)
Đáp số: 189 giây
15 phút 45 giây =945 giây
5 bông hoa : 945 giây
1 bông hoa :.......giây ?thời gian làm một bông hoa =945 nhân 1 : 5
đáp án : thời gian làm 1 bông hoa mất 189 giây hoặc 3 phút 15 giây nha bạn !