Предмет: Математика,
автор: orlovski1555
приведите дробь 1/4 кчислителю 3;5;7;9;10;13; приведите дробь 4/10 к знаменателю 5;20;40;15;25;
Ответы
Автор ответа:
0
1)
![frac{1}{4} = frac{1*3}{4*3} = frac{3}{12} \ \
frac{1}{4} = frac{1*5}{4*5} = frac{5}{2} \ \
frac{1}{4} = frac{1*7}{4*7} = frac{7}{28} \ \
frac{1}{4} = frac{1*9}{4*9} = frac{9}{36} \ \
frac{1}{4} = frac{1*10}{4*10} = frac{10}{40} \ \
frac{1}{4} = frac{1*13}{4*13} = frac{13}{52}](https://tex.z-dn.net/?f=+frac%7B1%7D%7B4%7D+%3D++frac%7B1%2A3%7D%7B4%2A3%7D+%3D++frac%7B3%7D%7B12%7D++%5C++%5C+%0A+frac%7B1%7D%7B4%7D+%3D++frac%7B1%2A5%7D%7B4%2A5%7D+%3D++frac%7B5%7D%7B2%7D++%5C++%5C+%0A+frac%7B1%7D%7B4%7D+%3D++frac%7B1%2A7%7D%7B4%2A7%7D+%3D++frac%7B7%7D%7B28%7D+%5C++%5C+%0A+frac%7B1%7D%7B4%7D+%3D++frac%7B1%2A9%7D%7B4%2A9%7D+%3D++frac%7B9%7D%7B36%7D+%5C++%5C+%0A+frac%7B1%7D%7B4%7D+%3D++frac%7B1%2A10%7D%7B4%2A10%7D+%3D++frac%7B10%7D%7B40%7D+%5C++%5C+%0A+frac%7B1%7D%7B4%7D+%3D++frac%7B1%2A13%7D%7B4%2A13%7D+%3D++frac%7B13%7D%7B52%7D "frac{1}{4} = frac{1*3}{4*3} = frac{3}{12} \ \
frac{1}{4} = frac{1*5}{4*5} = frac{5}{2} \ \
frac{1}{4} = frac{1*7}{4*7} = frac{7}{28} \ \
frac{1}{4} = frac{1*9}{4*9} = frac{9}{36} \ \
frac{1}{4} = frac{1*10}{4*10} = frac{10}{40} \ \
frac{1}{4} = frac{1*13}{4*13} = frac{13}{52}")
2)
![frac{4}{10} = frac{4:2}{10:2} = frac{2}{5} \ \
frac{4}{10} = frac{4*2}{10*2} = frac{8}{20} \ \
frac{4}{10} = frac{4*4}{10*4} = frac{16}{40} \ \
frac{4}{10} = frac{2}{5} = frac{2*3}{5*3} = frac{6}{15} \ \
frac{4}{10} = frac{2}{5} = frac{2*5}{5*5} = frac{10}{25}](https://tex.z-dn.net/?f=+frac%7B4%7D%7B10%7D+%3D++frac%7B4%3A2%7D%7B10%3A2%7D+%3D++frac%7B2%7D%7B5%7D++%5C++%5C+%0A+frac%7B4%7D%7B10%7D+%3D++frac%7B4%2A2%7D%7B10%2A2%7D+%3D+frac%7B8%7D%7B20%7D++%5C++%5C+%0A+frac%7B4%7D%7B10%7D+%3D++frac%7B4%2A4%7D%7B10%2A4%7D+%3D++frac%7B16%7D%7B40%7D++%5C++%5C+%0A+frac%7B4%7D%7B10%7D+%3D++frac%7B2%7D%7B5%7D+%3D++frac%7B2%2A3%7D%7B5%2A3%7D+%3D+frac%7B6%7D%7B15%7D++%5C++%5C+%0Afrac%7B4%7D%7B10%7D+%3D++frac%7B2%7D%7B5%7D+%3D++frac%7B2%2A5%7D%7B5%2A5%7D+%3D+frac%7B10%7D%7B25%7D "frac{4}{10} = frac{4:2}{10:2} = frac{2}{5} \ \
frac{4}{10} = frac{4*2}{10*2} = frac{8}{20} \ \
frac{4}{10} = frac{4*4}{10*4} = frac{16}{40} \ \
frac{4}{10} = frac{2}{5} = frac{2*3}{5*3} = frac{6}{15} \ \
frac{4}{10} = frac{2}{5} = frac{2*5}{5*5} = frac{10}{25}")
2)
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