Explicație pas cu pas:
Buna !!
[tex]a)12\% \: din \: \frac{3}{8} = \frac{12}{100} \times \frac{3}{8} = \frac{12 \times 3}{100 \times 8} = \frac{36}{800} ^{(2} = \frac{18}{400} ^{(2} = \frac{9}{200} [/tex]
[tex]b)22\% \: din \: \frac{13}{12} = \frac{22}{100} \times \frac{13}{12} = \frac{22 \times 13}{100 \times 12} = \frac{286}{1200} ^{(2} = \frac{143}{600} [/tex]
[tex]c) 54\% \: din \: \frac{16}{9} = \frac{54}{100} \times \frac{16}{9} = \frac{54 \times 16}{100 \times 9} = \frac{864}{900} ^{(2} = \frac{432}{450} ^{(2} = \frac{216}{225} ^{(3} = \frac{72}{75} ^{(3} = \frac{24}{25} [/tex]
[tex]d)112\% \: din \: \frac{3}{5} = \frac{112}{100} \times \frac{3}{5} = \frac{336}{500} ^{(2} = \frac{168}{250} ^{(2} = \frac{84}{125} [/tex]
Succes !!;)
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