Question

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Answer 1

1) 7/10 от 10 см = 10÷10×7= 7 см

2)

$\frac{14}{21} = \frac{2}{3}$

$\frac{6}{9} = \frac{2}{3}$

$\frac{45}{75} = \frac{9}{15} = \frac{3}{5}$

$\frac{49}{98} = \frac{1}{2}$

$\frac{34}{51} = \frac{2}{3}$

3)

$\frac{15}{14}$

$\frac{15}{13}$

$\frac{15}{12} = \frac{5}{4}$

$\frac{15}{11}$

$\frac{15}{10}$

$\frac{15}{9} = \frac{5}{3}$

$\frac{15}{8}$

$\frac{15}{7}$

$\frac{15}{6} = \frac{5}{2}$

$\frac{15}{5} = \frac{3}{1}$

$\frac{15}{4}$

$\frac{15}{3} = \frac{5}{1}$

$\frac{15}{2}$

$\frac{15}{1} = 15$

Answer 2

2) 14 и 21 сократили на 7

6 и 9 сократили на 3

45 и 75 сократили на 15

49 и 98 сократили на 49

34 и 51 сократили на 17