Oblicz:3/8 liczby 28 to.....2/3 liczby 3 3/4 to......1 1/6 liczby 2 1/7 to.... Question from @Mistrzu89

December 2018 2 18 Report

Oblicz:

3/8 liczby 28 to.....

2/3 liczby 3 3/4 to......

1 1/6 liczby 2 1/7 to....

basetla $\frac{3}{8}*28 = \frac{3}{2}*7 = \frac{21}{2} = 10\frac{1}{2}\\\\\frac{2}{3}*3\frac{3}{4} = \frac{2}{3}*\frac{15}{4} =\frac{5}{2} = 2\frac{1}{2}\\\\1\frac{1}{6}*2\frac{1}{7} = \frac{7}{6}*\frac{15}{7} = \frac{5}{2} = 2\frac{1}{2}$

80 votes Thanks 185

Agikson $\frac{3}{8} *28= \frac{3}{8} * \frac{28}{1} = \frac{3}{2} * \frac{7}{1} = \frac{21}{2} =10 \frac{1}{2}$
$\frac{3}{8}$ liczby 28 to $10 \frac{1}{2}$
$\frac{2}{3} *3 \frac{3}{4} = \frac{2}{3} * \frac{15}{4} = \frac{1}{1} * \frac{5}{2} = \frac{5}{2} =2 \frac{1}{2}$
$\frac{2}{3}$ liczby $3 \frac{3}{4}$ to $2 \frac{1}{2}$
$1 \frac{1}{6} *2 \frac{1}{7} = \frac{7}{6} * \frac{15}{7} = \frac{1}{2} * \frac{5}{1}= \frac{5}{2} =2 \frac{1}{2}$
$1 \frac{1}{6}$ liczby $2 \frac{1}{7}$ to $2 \frac{1}{2}$

67 votes Thanks 123

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