2/7+7/12=?
25/48+11/24=?
5/7+3/8=?
15/24+15/16=?
5/6+3/4=?
3/8+7/12=?
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2/3 + 7/1 = 2/3 + 7 = 2/3 + 21/3 = 23/3
25/48 + 11/24 = 25/48 + 22/48 = 47/48
5/7 + 3/8 = 40/56 + 21/56 = 61/56
15/24 + 12/6 = 5/8 + 2 = 5/8 + 16/8 = 21/8
5/6 + 4/3 = 5/6 + 8/6 = 13/6
3/8 + 7/12 = 9/24 + 14/24 = 23/24
\(\frac{2}{5}\)\(:\frac{2}{3}\)\(=\frac{6}{10}\)\(=\frac{3}{5}\)
\(\frac{1}{6}\)\(:\frac{1}{3}\)\(=\frac{3}{6}\)\(=\frac{1}{2}\)
\(\frac{4}{7}\)\(:\frac{4}{5}\)\(=\frac{20}{28}\)\(=\frac{5}{7}\)
\(\frac{1}{4}\)\(:\frac{1}{8}\)\(=\frac{8}{4}\)\(=2\)
a) 25/48 + 11/24 = 25/48 + 22/48 = 47/48
b) 5/7 + 3/18 = 5/7 + 1/6 = 30/42 + 7/42 = 37/42
c) 15/24 + 12/16 = 5/8 + 6/8 = 11/8
d) 5/8 + 3/5 = 25/40 + 24/40 = 49/40
e) 4/7 + 3/5 = 20/35 + 21/35 = 41/35
Chúc bạn học tốt.
😁😁😁
a,5/7+3/8=.....61/56.........
15/24+12/16=.....11/8......
b,5/6+3/4=...19/12......
3/8+7/12=...23/24........
Hok tốt
a) 5/7 + 3/8 = 40/56 + 21/56 = 61/56
15/24 + 12/16 = 15/24 + 16/24 = 31/24
b) 5/6 + 3/4 = 10/12 + 9/12 = 19/12
3/8 + 7/12 = 9/24 + 14/24 = 23/24
k cho mik nha hok tot
3/4+2/3+5/12=11/6
7/8-7/16-11/32=3/32
3/5*2/7*5/6=1/7
15/16:3/8:3/4=10/3
bạn nhé
1+2+3+4+5+6+7+8+9+10=55
11+12+13+14+15+16+17+18+19+20=155
1+2+3+4+5+6+7+8+9+10+11+12+13+14 +15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30-50-53=362
\(\frac{2}{7}+\frac{7}{12}=\frac{24}{84}+\frac{49}{84}=\frac{73}{84}\)
\(\frac{25}{48}+\frac{22}{48}=\frac{47}{48}\)
\(\frac{5}{7}+\frac{3}{8}=\frac{40}{56}+\frac{21}{56}=\frac{61}{56}\)
\(\frac{15}{24}+\frac{15}{16}=15.\left(\frac{1}{24}+\frac{1}{16}\right)=\frac{25}{16}\)
\(\frac{5}{6}+\frac{3}{4}=\frac{20+18}{24}=\frac{19}{12}\)
\(\frac{9}{24}+\frac{14}{24}=\frac{23}{24}\)
học tót tích mình hem
2/7 + 7/12 = 73/84.
25/48 + 11/24 = 47/48.
5/7 + 3/8 = 61/56.
15/24 + 15/16 = 25/16.
5/6 + 3/4 = 19/12.
3/8 + 7/12 = 23/24.
hok tốt!