ex. 2 - a, c.
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[tex]a) \: \frac{2}{3} \: din \: 21 = \frac{2}{3} \times 21 = \frac{2 \times 21}{3} = \frac{42}{3} = 14[/tex]
[tex]c) \: \frac{7}{6} \: din \: 18 = \frac{7}{6} \times 18 = \frac{7 \times 18}{6} = \frac{126}{6} = 21[/tex]
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✿❀AndreeaBrainly123❀✿
[tex] \it{ \pink{a) \frac{2}{3} \times 21 = \frac{2 \times 21}{3} = \frac{42}{3} = \boxed{14} } } [/tex]
[tex] \it{ \purple{c) \frac{7}{6} \times 18 = \frac{7 \times \not{ 18}}{ \not{6}} = \frac{7 \times 6}{2} = \frac{42}{2} = 21 } } [/tex]