Ответы и объяснения

2014-03-06T13:48:39+04:00
3 \frac{2}{3}: \frac{8}{15}= \frac{11}{3} :  \frac{8}{15}= \frac{11*15}{3*8}= \frac{55}{8}= 6 \frac{7}{8}
3 2 : 8 = 3·3 + 2 : 8 = 11 : 8 = 11 · 15 = 11·15 = 165 = 55·3 = 55 = 7 + 6·8 = 6 7
3 15 3 15 3 15 3 8 3·8 24 8·3 8 8 8
2014-03-06T13:49:18+04:00