5 / 7 | 7/ 5
= =
25 / 7 | 49 / 35
vậy 5 / 7 < 7 / 5
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\(\dfrac{7}{5}\) ha .......13.000\(m^2\) điền dấu > < =
1.Tính a,5text{x}dfrac{7}{3} b,dfrac{13}{4}:72.Tính a,dfrac{3}{7}+dfrac{2}{5}+dfrac{3}{4} b,dfrac{9}{7}-dfrac{5}{11}text{x}dfrac{11}{7} c,dfrac{3}{5}text{x}dfrac{5}{7}text{+}dfrac{4}{7} d,dfrac{7}{9}text{x}dfrac{2}{5}:dfrac{3}{11} e,dfrac{9}{7}+dfrac{2}{3}-dfrac{1}{4} g,dfrac{4}{9}:dfrac{3}{5}text{x}dfrac{2}{11} h,dfrac{7}{2}-dfrac{3}{10}:dfrac{2}{5}
Đọc tiếp
1.Tính
\(a,5\text{x}\dfrac{7}{3}\) \(b,\dfrac{13}{4}:7\)
2.Tính
\(a,\dfrac{3}{7}+\dfrac{2}{5}+\dfrac{3}{4}\) \(b,\dfrac{9}{7}-\dfrac{5}{11}\text{x}\dfrac{11}{7}\) \(c,\dfrac{3}{5}\text{x}\dfrac{5}{7}\text{+}\dfrac{4}{7}\) \(d,\dfrac{7}{9}\text{x}\dfrac{2}{5}:\dfrac{3}{11}\) e,\(\dfrac{9}{7}+\dfrac{2}{3}-\dfrac{1}{4}\)
g,\(\dfrac{4}{9}:\dfrac{3}{5}\text{x}\dfrac{2}{11}\) h,\(\dfrac{7}{2}-\dfrac{3}{10}:\dfrac{2}{5}\)
Tính giá trị biểu thức:
(\(\dfrac{6}{11}+\dfrac{5}{11}\)) x \(\dfrac{3}{7}\) \(\dfrac{3}{5}x\dfrac{7}{9}-\dfrac{3}{5}x\dfrac{2}{9}\) \(\left(\dfrac{6}{7}-\dfrac{4}{7}\right):\dfrac{2}{5}\)
\(\dfrac{5}{7}\)x\(\dfrac{5 }{11}\)\(+\dfrac{5}{7}\)\(\text{x}\dfrac{2}{11}\)\(-\dfrac{5}{7}\)\(\text{x}\dfrac{14}{11}\)
Câu 7.\(\dfrac{3}{5}\) m = …. cm. Số điền vào chỗ trống là:
dfrac{1}{3}+dfrac{2}{3}dfrac{4}{5}+dfrac{5}{6}dfrac{4}{5}-dfrac{3}{5}dfrac{9}{8}-dfrac{4}{2}dfrac{8}{5}xdfrac{5}{8}dfrac{6}{7}xdfrac{4}{7}dfrac{4}{5}:dfrac{4}{5}dfrac{5}{5}:dfrac{5}{5}a,
Đọc tiếp
\(\dfrac{1}{3}+\dfrac{2}{3}=\)
\(\dfrac{4}{5}+\dfrac{5}{6}=\)
\(\dfrac{4}{5}-\dfrac{3}{5}=\)
\(\dfrac{9}{8}-\dfrac{4}{2}=\)
\(\dfrac{8}{5}x\dfrac{5}{8}=\)
\(\dfrac{6}{7}x\dfrac{4}{7}=\)
\(\dfrac{4}{5}:\dfrac{4}{5}=\)
\(\dfrac{5}{5}:\dfrac{5}{5}=\)
a,
dfrac{15}{14} : dfrac{10}{21} x dfrac{1}{5}
5 x dfrac{1}{5} + dfrac{1}{5}
7 : dfrac{1}{5} - dfrac{1}{5}
6 + dfrac{1}{5} : 2
8 - dfrac{1}{5} x 7
Đọc tiếp
\(\dfrac{15}{14}\) : \(\dfrac{10}{21}\) x \(\dfrac{1}{5}\)
\(5\) x \(\dfrac{1}{5}\) + \(\dfrac{1}{5}\)
\(7\) : \(\dfrac{1}{5}\) - \(\dfrac{1}{5}\)
\(6\) + \(\dfrac{1}{5}\) : \(2\)
\(8\) - \(\dfrac{1}{5}\) x \(7\)
So sánh phân số \(\dfrac{3}{5}\)và phân số \(\dfrac{9}{7}\)
Ta có: \(\dfrac{3}{5}\)....1 và \(\dfrac{9}{7}\)....1
Vậy \(\dfrac{3}{5}\)...\(\dfrac{9}{7}\)
a)dfrac{7}{8}xdfrac{3}{13}+dfrac{4}{9}xdfrac{4}{13}b)dfrac{6}{5}+dfrac{7}{3}+dfrac{8}{9}c)23: dfrac{5}{14}+dfrac{6}{7}+dfrac{4}{9}d)4dfrac{1}{4}+7dfrac{3}{7}-2dfrac{4}{17}e)8-(9dfrac{2}{11}+dfrac{8}{33})
Đọc tiếp
a)\(\dfrac{7}{8}\)x\(\dfrac{3}{13}\)+\(\dfrac{4}{9}\)x\(\dfrac{4}{13}\)
b)\(\dfrac{6}{5}\)+\(\dfrac{7}{3}\)+\(\dfrac{8}{9}\)
c)23: \(\dfrac{5}{14}\)+\(\dfrac{6}{7}\)+\(\dfrac{4}{9}\)
d)\(4\dfrac{1}{4}\)+\(7\dfrac{3}{7}\)-\(2\dfrac{4}{17}\)
e)8-(9\(\dfrac{2}{11}\)+\(\dfrac{8}{33}\))