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a,\(\frac{16}{27}\)> \(\frac{15}{29}\)
b,\(\frac{26}{50}\)> \(\frac{14}{29}\)
c,\(\frac{327}{326}\)< \(\frac{326}{325}\)
Tk nha!!
\(a,\frac{16}{27}>\frac{15}{29}\)
\(b,\frac{26}{50}>\frac{14}{29}\)
\(c,\frac{327}{326}< \frac{326}{325}\)
~ Chúc bạn học tốt ~
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) $\frac{1}{6}:\frac{{21}}{9} = \frac{1}{6}:\frac{7}{3} = \frac{1}{6} \times \frac{3}{7} = \frac{3}{{42}} = \frac{1}{{14}}$
\(\frac{9}{8}>\frac{8}{9}\)
\(\frac{16}{23}>\frac{16}{25}\)
\(\frac{8}{11}< \frac{8}{10}\)
\(\frac{10}{13}>\frac{19}{26}\)
\(\frac{13}{15}< \frac{11}{10}\)
\(\frac{11}{9}=\frac{44}{36}\)
9/8 > 8/9
16/23 > 16/25
8/11 < 8/10
10/13 > 19/26
13/15 < 11/10
11/9 = 44/36
Tham khảo nha !
Chúc bạn học giỏi !
Điền dấu(<,>.=)
\(\frac{6}{7}...\frac{7}{9}\)\(\frac{31}{32}...\frac{26}{25}\)\(\frac{2014}{4}...1\)
\(\frac{6}{7}\) > \(\frac{7}{9}\)
\(\frac{31}{32}\) < \(\frac{26}{25}\)
\(\frac{2014}{4}\) > 1
\(1-\left(\frac{12}{5}+y=\frac{8}{9}\right):\frac{16}{9}=0\)
\(1-\left(\frac{12}{5}+y-\frac{8}{9}\right)=0\times\frac{16}{9}\)
\(1-\left(\frac{12}{5}+y-\frac{8}{9}\right)=0\)
\(\frac{12}{5}+y-\frac{8}{9}=1-0\)
\(\frac{12}{5}-y+\frac{8}{9}=1\)
\(\frac{12}{5}-y=1-\frac{8}{9}\)
\(\frac{12}{5}-y=\frac{1}{9}\)
\(y=\frac{12}{5}-\frac{1}{9}\)
\(y=\frac{108}{45}-\frac{5}{45}\)
\(y=\frac{103}{45}\)
ta có: \(\frac{12}{27}=\frac{4}{9}\)
mà\(\frac{25}{45}=\frac{5}{9};\frac{20}{45}=\frac{4}{9};\frac{40}{42}=\frac{20}{21};\frac{32}{72}=\frac{4}{9};\frac{15}{27}=\frac{5}{9}\)
\(\Rightarrow\frac{12}{27}=\frac{20}{45}=\frac{32}{72}\left(=\frac{4}{9}\right)\)
CHÚC BN HỌC TỐT!
M = (345 x (6789 + 3456 - 245)/690) x 99/100 x 98/99 x...x 2/3 x 1/2
M = ((345 x 10000)/690) x 99/2 (rút gọn)
M = (10000/2) x 99/2
M = 5000 x 99/2
M = 247500
Ok nha
điền dấu <
Dấu "<" nha