Question

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Answer 1

191.

$\frac{8}{1}$

$\frac{8}{9}$

$\frac{8}{24} = \frac{1}{3}$

192.

1.

$\frac{x}{9} = 12 \\ x = 12 \times 9 \\ x = 108 \\ \frac{108}{9} = 12$

2.

$\frac{286}{y} = 13 \\ y = 286 \div 13 \\ y = 22 \\ \frac{286}{22} = 13$

3.

$\frac{y + 15}{6} = 12 \\ y + 15 = 12 \times 6 \\ y + 15 = 72 \\ y = 72 - 15 \\ y = 57 \\ \frac{57 + 15}{6} = 12$

193.

$\frac{7}{4} = 1 \frac{3}{4}$

$\frac{15}{8} = 1 \frac{7}{8}$

$\ \frac{74}{10} = 7 \frac{4}{10} = 7 \frac{2}{5}$

$\frac{72}{8} = 9$

$\frac{89}{23} = 3 \frac{20}{23}$

194.

$\frac{13}{6} = 2 \frac{1}{6}$

$\frac{43}{5} = 8 \frac{3}{5}$

$\frac{70}{11} = 6 \frac{4}{11}$

195.

$2 \frac{1}{6} = \frac{13}{6}$

$1 \frac{12}{17} = \frac{29}{17}$

$4 \frac{4}{5} = \frac{24}{5}$

$12 \frac{7}{20} = \frac{247}{20}$

Answer 2

Ответ:

191. 1) 8/1 2)8/9 3)8/24= 1/3

192. 1) х/9=12 х=12×9=108

2) 286/у=13 х= 286:13=22

3) у+15/6 у= 6×12 - 15=57

193. 1) 7/4= 1 3/4 2) 15/8= 1 7/8

3) 74/10= 7 4/10=7 2/5

4) 72/8=9 5) 89/23= 3 20/23

194. 1) 13/6= 2 1/6 2) 43/6=7 1/6 3) 70/11=6 4/11

195. 1) 2 1/6= 19/6 2) 1 12/17= 29/17

3) 4 4/5= 24/5 4) 12 7/20= 247/20

вроде так