14; 4) 4,8 к 0,12; 5) 1,8 метров к 30 см; 6) 1 кг к 125 грамм...

March 2022 1 14 Report

Найдите отношение:
1) 45 к 5;
2) 4 к 24;
3) 2 1/7 к 1 11/14;
4) 4,8 к 0,12;
5) 1,8 метров к 30 см;
6) 1 кг к 125 грамм.

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$\displaystyle 1) \\45:5=9\\\\2)\\4:24=1:6= \frac{1}{6} \\\\3)\\2 \frac{1}{7} :1 \frac{11}{14} = \frac{15}{7} : \frac{25}{14}= \frac{15}{7} \cdot \frac{14}{25} = \frac{210}{175} =1 \frac{1}{5} \\\\4)\\4,8:0,12=4 \frac{8}{10}: \frac{12}{100} = \frac{48}{10} \cdot \frac{100}{12}= \frac{480}{12}= 40\\\\5)\\1\,\textbf{m}=100\,\textbf{cm}\\1,8\,\textbf{m}=180\,\textbf{cm}\\\\ \frac{180}{30} =6\\\\ 6)\\1\,\textbf{kg}=1000\,\textbf{g}\\\\ \frac{1000}{125}= 8$

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