\(\frac{72\cdot202\cdot28}{303\cdot63\cdot16}=\frac{8\cdot9\cdot101\cdot2\cdot4\cdot7}{101\cdot3\cdot7\cdot9\cdot8\cdot2}=\frac{4}{3}\)

4/3nha

\(\dfrac{72\cdot202\cdot28}{303\cdot63\cdot16}=\dfrac{2^3\cdot9\cdot101\cdot2\cdot7\cdot4}{101\cdot3\cdot7\cdot9\cdot2^3\cdot2}\)

\(=\dfrac{4}{3}\)

\(\dfrac{72\times202\times28}{303\times63\times16}=\dfrac{8\times9\times2\times101\times4\times7}{7\times9\times3\times101\times16}=\dfrac{\left(8\times2\times4\right)\times\left(9\times101\times7\right)}{\left(16\times3\right)\times\left(9\times101\times7\right)}=\dfrac{4}{3}\)

\(\frac{72}{303}\cdot\frac{202}{63}\cdot\frac{28}{16}\)

\(=\frac{16}{21}\cdot\frac{28}{16}\)

\(=\frac{4}{3}\)

hok tốt

2/3 + 3/4=17/12
9/4 + 3/5=57/20
5/24 + 1/4=11/24
3/15 - 5/35=2/35        18/27 - 2/6=1/3        37/12 - 3=1/12
11/9 x 3/22=1/6         7/13 x 13/7=1       4 x6/7=24/7
2/5 : 3/10=4/3           3/8 : 9/4=1/6            8/21 : 4/7=2/3

2/3 + 3/4

= 17/12
9/4 + 3/5

= 57/20
5/24 + 1/4

=11/24
3/15 - 5/35   

=2/35   

18/27 - 2/6   

=1/3   

37/12 - 3

= 1/12
11/9 x 3/22 

=1/6       

7/13 x 13/7 

=1   

 4 x6/7

=24/7
2/5 : 3/10

=4/3         

 3/8 : 9/4   

=1/6       

8/21 : 4/7

= 2/3

1=17/12
2=57/20
3=11/24
4=2/35        7=1/3        10=1/12
5=1/6         8=1       11=24/7

6=4/3           9=1/6            12=2/3

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