Короче немогу номер1111 ии там еще есть номера 2),4),6),8) помаагите

2) [latex] \frac{2}{5} :10 = \frac{2*1}{5*10} = \frac{1*1}{5*5} =\frac{1}{25} [/latex] 4) [latex] \frac{4}{7} :2 = \frac{4*1}{7*2}= \frac{2*1}{7*1} = \frac{2}{7} [/latex] 6) [latex]1 \frac{7}{9} :8 = \frac{16}{9} :8 = \frac{16*1}{9*8} = \frac{2*1}{9*1} = \frac{2}{9} [/latex] 8) [latex]5 \frac{1}{4} :7 = \frac{21}{4} :7 = \frac{21*1}{4*7} = \frac{3*1}{4*1} = \frac{3}{4} = 0,75[/latex]