Даю 10 баллов толко помагите пллиииииииииииииз!!!!!!!

$1.) \frac25 \div \frac225 = \frac25 \times \frac252 = \frac11 \times \frac51 = \frac51 = 5 \\ 2.) \frac23 \div \frac1415 = \frac23 \times \frac1514 = \frac11 \times \frac57 = \frac57 \\ 3.) \frac328 \div \frac67 = \frac328 \times \frac76 = \frac14 \times \frac12 = \frac18 \\ 4 .) \frac38 \div \frac2732 = \frac38 \times \frac3227 = \frac11 \times \frac49 = \frac49 \\ 5.) \frac23 \div \frac101 = \frac23 \times \frac110 = \frac13 \times \frac15 = \frac115 \\ 6.) \frac45 \div \frac81 = \frac45 \times \frac18 = \frac15 \times \frac12 = \frac110 \\ 7.) \frac56 \div \frac101 = \frac56 \times \frac110 = \frac16 \times \frac12 = \frac112 \\ 8.) \frac37 \div \frac121 = \frac37 \times \frac112 = \frac17 \times \frac14 = \frac128 \\ 9.) \frac41 \div \frac25 = \frac41 \times \frac52 = \frac21 \times \frac51 = 10 \\ 10.) \frac211 \div \frac78 = \frac211 \div \frac87 = \frac31 \times \frac81 = 21 \\ 11.) \frac251 \div \frac58 = \frac251 \times \frac85 = 5 \times 8 = 40 \\ 12.) \frac81 \div \frac1621 = \frac81 \times \frac2116 = 1 \times \frac212 = 10 \frac12 \\ 13.) \frac18 \div \frac34 = \frac18 \times \frac43 = \frac12 \times \frac13 = \frac16 \\ 14.) \frac12 \div \frac91 = \frac12 \times \frac19 = \frac118 \\ 15.) \frac25 \div \frac71 = \frac25 \times \frac17 = \frac235 \\ 16.) \frac34 \div \frac916 = \frac34 \times \frac169 = \frac11 \times \frac43 = \frac43 = 1 \frac13$

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Даю 10 баллов толко помагите пллиииииииииииииз!!!!!!!

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