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1)
14/32=7/16
2)
3/4=3/4 5/7<6/7
8/5>8/15 13/8>17/18
7/9=7/9 3/5>4/7
3)
a,9/8;25/18;9/3
b,14/16;13/18;7/8,35/40
c,không có
5/7 < 4/3
7/2 > 4/79
2/5 < 6/10
15/23 < 1
1/4 = 3/12
27/9 > 2
27/36 > 2/9
14/15 < 1
7/6 > 7/9
51/17 = 3/1
tk mình nha bạn, mình kp vs bạn r đó. .. ^^
5/7 < 4/3 7/2 > 4/79 2/5 < 6/10 15/23 < 1 1/4 = 3/12 27/9 > 2 27/36 > 2/9 14/15 < 1 7/6 > 7/9 51/17 = 3/1
Câu 1
a)\(\frac{35}{8}\);\(\frac{21}{8}\);\(\frac{13}{13}\);\(\frac{9}{15}\);\(\frac{7}{15}\)
b)\(\frac{35}{8}\);\(\frac{21}{8}\);\(\frac{13}{13}\);\(\frac{9}{15}\);\(\frac{7}{15}\)
c)\(\frac{35}{8}\);\(\frac{21}{8}\);\(\frac{13}{13}\);\(\frac{9}{15}\);\(\frac{7}{15}\)
`4/15 < 4/13`
`7/6 > 8/9`
`14/11 > 14/19`
`5/6 >3/4`
a)\(x+\frac{15}{16}+\frac{7}{8}=\frac{15}{4}\)
\(x+\frac{29}{16}=\frac{15}{4}\)
\(x=\frac{15}{4}-\frac{29}{16}\)
\(x=\frac{31}{16}\)
b)\(x-\frac{27}{28}-\frac{9}{14}=\frac{13}{7}\)
\(x-\frac{45}{28}=\frac{13}{7}\)
\(x=\frac{13}{7}+\frac{45}{28}\)
\(x=\frac{97}{28}\)
c)\(x\times\frac{1}{5}+x+\frac{1}{6}=\frac{2}{3}\)
\(x\times\frac{1}{5}+x=\frac{2}{3}-\frac{1}{6}\)
\(x\times\left(\frac{1}{5}+1\right)=\frac{1}{2}\)
\(x\times\frac{6}{5}=\frac{1}{2}\)
\(x=\frac{1}{2}:\frac{6}{5}\)
\(x=\frac{5}{12}\)
d)\(x:14=\frac{1}{4}+\frac{2}{9}+\frac{3}{4}\)
\(x:14=\frac{11}{9}\)
\(x=\frac{11}{9}\times14\)
\(x=\frac{154}{9}\)
#H
\(\frac{5}{6}+\frac{3}{4}< \frac{19}{11}\)
\(\frac{17}{12}-\frac{9}{8}< \frac{1}{3}\)
\(\frac{4}{9}\times\frac{6}{5}=\frac{8}{15}\)
\(\frac{15}{4}:\frac{3}{8}>8\)
a.13/15 < 14/15
b.4/9 > 4/13
c.2/3 = 6/9
d.4/7 > 5/6
nha bạn chúc bạn học tốt nha
\(\frac{13}{15}< \frac{14}{15}\)
\(\frac{4}{9}>\frac{4}{13}\)
\(\frac{2}{3}=\frac{6}{9}\)
\(\frac{4}{7}< \frac{5}{6}\)