Решите примеры ! Ответы у меня есть! 1 2/7 : 3/56= .....24 1 3/4 : 7/10 + 1/4=...2 3/4 (27 9/10 - 17 4/5) * 3/5= ....6 3/50 23/81 * 3 6/7=....1 2/21 7/8: 1 5/16*3 1/2=....2 1/3 (9 1/5 - 3 17/25) * 2 1/2=....13 4/5 ЕСЛИ ЧТО! 1 ...

[latex]1 \frac{2}{7} : \frac{3}{56}= \frac{9*56}{7*3} = 3*8=24 [/latex] [latex]1 \frac{3}{4}: \frac{7}{10}+ \frac{1}{4} = \frac{7*10}{4*7}+ \frac{1}{4}= \frac{10}{4}+ \frac{1}{4} = \frac{11}{4}=2 \frac{3}{4} [/latex] [latex](27 \frac{9}{10} - 17\frac{4}{5}) * \frac{3}5} = (27\frac{9}{10}- 17\frac{8}{10})* \frac{3}{5} =10 \frac{1}{10} * \frac{3}{5} = \frac{101*3}{10*5}= \frac{303}{50}= 6\frac{3}{50} [/latex] [latex] \frac{23}{81}*3 \frac{6}{7}= \frac{23*27}{81*7} = \frac{23}{21}=1 \frac{2}{21} [/latex] [latex] \frac{7}{8} :1 \frac{5}{16} *3 \frac{1}{2}= \frac{7}{8}: \frac{21}{16}* \frac{7}{2}= \frac{7*16*7}{8*21*2} = \frac{2*7}{3*2} = \frac{14}{6}= 2\frac{2}{6}= 2\frac{1}{3} [/latex] [latex](9 \frac{1}{5}-3 \frac{17}{25} )*2 \frac{1}{2}=(9 \frac{5}{25} -3 \frac{17}{25} )*2 \frac{1}{2}=5 \frac{13}{25} *2 \frac{1}{2}= \frac{138*5}{25*2}= \frac{69}{5} =13 \frac{4}{5} [/latex]