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determinati fractiile ireductibile reprezentate de procentele :a)75% b)15% c)28% d)120% e)36% f)125%​

Răspuns :

Răspuns:

75%=(75/100)⁽²⁵=3/4

15%=(15/100)⁽⁵=3/20

28%=(28/100)⁽⁴=7/25

120%=(120/100)⁽²⁰=6/5

125%=(125/100)⁽²⁵=5/4

Răspuns:

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Bună,

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[tex]a)75 \% = \\ \frac{75}{100} = \\ \frac{75 \div 25}{100 \div 25} = \\ \purple{ \frac{3}{4} }[/tex]

[tex]b) 15 \% \\ \frac{15}{100} = \\ \frac{15 \div 5}{100 \div 15} = \\ \green{ \frac{3}{20} }[/tex]

[tex]c)28 \% = \\ \frac{28}{100} = \\ \frac{28 \div 4}{100 \div 4} = \\ \blue{\frac{7}{25} } [/tex]

[tex]d) 120\% = \\ \frac{120}{100} = \\ \frac{120 \div 20}{100 \div 20} = \\ \red{ \frac{6}{5} }[/tex]

[tex]e)36 \% = \\ \frac{36}{100} = \\ \frac{36 \div 4}{100 \div 4} = \\ \orange{ \frac{9}{25} } [/tex]

[tex]f)125 \% = \\ \frac{125}{100} = \\ \frac{120 \div 25}{100 \div 25} = \\ \pink{ \frac{5}{4} }[/tex]

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