A: 9/12 =; Б: 4/92 =; В: 8/20 =; Г: 15/21 = ...
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Таблица из четырёх столбцов A, Б, В, Г; в каждом столбце по 15 дробей со знаком равенства и пустым квадратом. После 5-й и 10-й строк — пунктирные разделители.
A: \(\frac{9}{12}=\square\), \(\frac{7}{91}=\square\), \(\frac{24}{56}=\square\), \(\frac{8}{64}=\square\), \(\frac{3}{75}=\square\); \(\frac{40}{48}=\square\), \(\frac{5}{100}=\square\), \(\frac{4}{6}=\square\), \(\frac{3}{57}=\square\), \(\frac{30}{42}=\square\); \(\frac{4}{72}=\square\), \(\frac{20}{25}=\square\), \(\frac{3}{63}=\square\), \(\frac{6}{15}=\square\), \(\frac{5}{90}=\square\).
Б: \(\frac{4}{92}=\square\), \(\frac{20}{28}=\square\), \(\frac{8}{56}=\square\), \(\frac{7}{63}=\square\), \(\frac{21}{49}=\square\); \(\frac{3}{60}=\square\), \(\frac{4}{10}=\square\), \(\frac{5}{95}=\square\), \(\frac{4}{76}=\square\), \(\frac{24}{30}=\square\); \(\frac{9}{81}=\square\), \(\frac{4}{68}=\square\), \(\frac{6}{14}=\square\), \(\frac{5}{85}=\square\), \(\frac{6}{8}=\square\).
В: \(\frac{8}{20}=\square\), \(\frac{8}{72}=\square\), \(\frac{14}{16}=\square\), \(\frac{7}{98}=\square\), \(\frac{6}{9}=\square\); \(\frac{3}{66}=\square\), \(\frac{14}{21}=\square\), \(\frac{16}{18}=\square\), \(\frac{4}{88}=\square\), \(\frac{12}{54}=\square\); \(\frac{14}{35}=\square\), \(\frac{3}{87}=\square\), \(\frac{18}{24}=\square\), \(\frac{36}{42}=\square\), \(\frac{9}{99}=\square\).
Г: \(\frac{15}{21}=\square\), \(\frac{8}{96}=\square\), \(\frac{18}{42}=\square\), \(\frac{3}{69}=\square\), \(\frac{15}{20}=\square\); \(\frac{35}{49}=\square\), \(\frac{10}{25}=\square\), \(\frac{21}{24}=\square\), \(\frac{4}{100}=\square\), \(\frac{27}{81}=\square\); \(\frac{12}{16}=\square\), \(\frac{3}{84}=\square\), \(\frac{9}{21}=\square\), \(\frac{8}{12}=\square\), \(\frac{9}{54}=\square\).
Ответы по строкам сверху вниз:
| № | А | Б | В | Г |
|---|---|---|---|---|
| 1 | \(\frac34\) | \(\frac1{23}\) | \(\frac25\) | \(\frac57\) |
| 2 | \(\frac1{13}\) | \(\frac57\) | \(\frac19\) | \(\frac1{12}\) |
| 3 | \(\frac37\) | \(\frac17\) | \(\frac78\) | \(\frac37\) |
| 4 | \(\frac18\) | \(\frac19\) | \(\frac1{14}\) | \(\frac1{23}\) |
| 5 | \(\frac1{25}\) | \(\frac37\) | \(\frac23\) | \(\frac34\) |
| 6 | \(\frac56\) | \(\frac1{20}\) | \(\frac1{22}\) | \(\frac57\) |
| 7 | \(\frac1{20}\) | \(\frac25\) | \(\frac23\) | \(\frac25\) |
| 8 | \(\frac23\) | \(\frac1{19}\) | \(\frac89\) | \(\frac78\) |
| 9 | \(\frac1{19}\) | \(\frac1{19}\) | \(\frac1{22}\) | \(\frac1{25}\) |
| 10 | \(\frac57\) | \(\frac45\) | \(\frac29\) | \(\frac13\) |
| 11 | \(\frac1{18}\) | \(\frac19\) | \(\frac25\) | \(\frac34\) |
| 12 | \(\frac45\) | \(\frac1{17}\) | \(\frac1{29}\) | \(\frac1{28}\) |
| 13 | \(\frac1{21}\) | \(\frac37\) | \(\frac34\) | \(\frac37\) |
| 14 | \(\frac25\) | \(\frac1{17}\) | \(\frac67\) | \(\frac23\) |
| 15 | \(\frac1{18}\) | \(\frac34\) | \(\frac1{11}\) | \(\frac16\) |
Обсуждение
2 сообщенияреши
Ответы по строкам (сокращённые дроби):
| № | Д | Е | Ж | З |
|---|---|---|---|---|
| 1 | \(\frac1{20}\) | \(\frac78\) | \(\frac2{45}\) | \(\frac49\) |
| 2 | \(\frac89\) | \(\frac1{21}\) | \(\frac1{11}\) | \(\frac12\) |
| 3 | \(\frac23\) | \(\frac18\) | \(\frac1{50}\) | \(\frac15\) |
| 4 | \(\frac45\) | \(\frac45\) | \(\frac9{10}\) | \(\frac1{16}\) |
| 5 | \(\frac1{11}\) | \(\frac23\) | \(\frac34\) | \(\frac12\) |
| 6 | \(\frac34\) | \(\frac1{12}\) | \(\frac19\) | \(\frac13\) |
| 7 | \(\frac45\) | \(\frac89\) | \(\frac17\) | \(\frac1{10}\) |
| 8 | \(\frac1{26}\) | \(\frac1{24}\) | \(\frac14\) | \(\frac19\) |
| 9 | \(\frac17\) | \(\frac57\) | \(\frac{34}{87}\) | \(\frac2{11}\) |
| 10 | \(\frac25\) | \(\frac23\) | \(\frac14\) | \(\frac1{48}\) |
| 11 | \(\frac1{24}\) | \(\frac57\) | \(\frac19\) | \(\frac35\) |
| 12 | \(\frac23\) | \(\frac1{27}\) | \(\frac12\) | \(\frac13\) |
| 13 | \(\frac78\) | \(\frac25\) | \(\frac34\) | \(\frac16\) |
| 14 | \(\frac15\) | \(\frac37\) | \(\frac37\) | \(\frac17\) |
| 15 | \(\frac37\) | \(\frac13\) | \(\frac1{11}\) | \(\frac13\) |
