Respuesta:
Explicación paso a paso:
a) factorizamos 21 y 28
21=3x7
28=2x2x7
[tex]\frac{21}{28} = \frac{3}{4}[/tex]
b) factorizamos 15 y 45
15=3x5
45=3x3x5
[tex]\frac{15}{45}= \frac{5}{15}=\frac{1}{3}[/tex]
c)
25=5x5
75=3x5x5
[tex]\frac{25}{75}=\frac{5}{15}=\frac{1}{3}[/tex]
d)
81= 3x3x3x3
243=3x3x3x3x3
[tex]\frac{81}{243} = \frac{1}{3}[/tex]
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Verified answer
Respuesta:
Explicación paso a paso:
a) factorizamos 21 y 28
21=3x7
28=2x2x7
[tex]\frac{21}{28} = \frac{3}{4}[/tex]
b) factorizamos 15 y 45
15=3x5
45=3x3x5
[tex]\frac{15}{45}= \frac{5}{15}=\frac{1}{3}[/tex]
c)
25=5x5
75=3x5x5
[tex]\frac{25}{75}=\frac{5}{15}=\frac{1}{3}[/tex]
d)
81= 3x3x3x3
243=3x3x3x3x3
[tex]\frac{81}{243} = \frac{1}{3}[/tex]