Mnożenie zapisz w postaci dodawania i oblicz : a) 2 *2\3 =
2\3+2\3 = 4\3= b) 3 * 1\2 = c )3*2\4= d) 2 * 7\10= e) 2 * 7\10= f) 3*1\3=
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rozwiazanie masz w załaczniku ;D pozdrwiam
a)2*\frac{2}{3} = \frac{2}{3} + \frac{2}{3} = \frac{4}{3} = 1 \frac{1}{3}
b)3*\frac{1}{2} = \frac{1}{2} +*\frac{1}{2} +\frac{1}{2} = \frac{3}{2} = 1 \frac{1}{2}
c)3*\frac{2}{4} = \frac{2}{4} + \frac{2}{4} + \frac{2}{4} =\frac{6}{4} =1 \frac{2}{4}
d) 2*\frac{7}{10} = \frac{7}{10} + \frac{7}{10} = \frac{14}{10} =1 \frac{4}{10}
e) takie samo jak d
f)3* \frac{1}{3} = \frac{1}{3} + \frac{1}{3} + \frac{1}{3} = \frac{3}{3} = 1