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Tóm tắt
Rót: $\frac{2}{3}$ bình
Mỗi cốc: $\frac{1}{6}$bình
Rót được: ? cốc
Bài giải
Số cốc nước cam chị Yến rót được là:
$\frac{2}{3}:\frac{1}{6} = 4$ (cốc)
Đáp số: 4 cốc nước cam
Xét các năm ;
+) 2022 => 6
+) 2023 => 7
2024 => 8
+) 2025 => 9
+) 2026 => 10
+) 2027 => 11
+) 2028 => 12
+) 2029 => 13
+) 2030 => 5
Vậy năm gần nhất là năm 2030
a) $\frac{{14}}{{18}}:\frac{8}{9} = \frac{7}{9}:\frac{8}{9} = \frac{7}{9} \times \frac{9}{8} = \frac{{63}}{{72}} = \frac{7}{8}$
b) $\frac{9}{6}:\frac{3}{{10}} = \frac{3}{2}:\frac{3}{{10}} = \frac{3}{2} \times \frac{{10}}{3} = \frac{{30}}{6} = 5$
c) $\frac{4}{5}:\frac{{10}}{{15}} = \frac{4}{5}:\frac{2}{3} = \frac{4}{5} \times \frac{3}{2} = \frac{{12}}{{10}} = \frac{6}{5}$
d) $\frac{1}{6}:\frac{{21}}{9} = \frac{1}{6}:\frac{7}{3} = \frac{1}{6} \times \frac{3}{7} = \frac{3}{{42}} = \frac{1}{{14}}$
bạn đã viết cách giải chi tiết và đầy đủ chx với lại bạn trả lời câu hỏi đúng chx.
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Tóm tắt
Chiều dài: 150 m
Chiều rộng: Bằng 2/5 chiều dài
Diện tích: … m?
Bài giải
Diện tích thửa ruộng đó là:
150 x (150 x 2/5) = 9.000 (m2)
Đáp số: 9.000 m2.
Chúc bạn học tốt.
😁😁😁
Tóm tắt :
Chiều dài : 150 m
Chiều rộng : 2/5 chiều dài
Diện tích thửa ruộng : ? m2
Giải
Chiều rộng của thửa ruộng là :
150 x 2/5 = 60 ( m )
Diện tích thửa ruộng là :
150 x 60 = 9000 (m2)
Đáp số ; 9000 m2
\(\frac{1}{p}+\frac{1}{\frac{1}{q}+\frac{1}{r}}=\frac{3}{2}\Leftrightarrow\frac{1}{2}+\frac{1}{\frac{1}{2}+\frac{1}{2}}=\frac{3}{2}\Rightarrow\hept{\begin{cases}p=2\\q=2\\r=2\end{cases}\Rightarrow p+q+r=6}\)

le le le
77
helo cao minh
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