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Nguyễn Bảo Minh
Giới thiệu về bản thân
Hi, đây là trang của mìn!
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2023-07-24 16:13:50
a) Lan:\(1\dfrac{2}{3}\)
Hoa:\(1\dfrac{1}{3}\)
Minh:\(2\dfrac{1}{2}\)
b)Đổi:\(1\dfrac{2}{3}\)=\(\dfrac{5}{3}\) ;\(1\dfrac{1}{3}\) =\(\dfrac{4}{3}\) ;\(2\dfrac{1}{2}\) =\(\dfrac{5}{2}\)
Tổng số hộp bánh cả 3 bạn ăn là:
\(\dfrac{5}{3}+\dfrac{4}{3}+\dfrac{5}{2}=\dfrac{11}{2}\) (hộp)
c) Trung bình mỗi bạn ăn số hộp bánh là:
\(\dfrac{11}{2}\div3=\dfrac{11}{6}\) (hộp)
Đ/s:(tự ghi)
chúc hok toot
2023-07-22 09:44:20
100.100=10000
hok tốt
2023-07-22 09:43:51
20 . 20=40
chúc học tốt!
2023-07-22 09:40:41
190 : 6.5
= 190 : 30
=6(dư 10)