Вычислите: 2) 4/45 : (12/25-4/15)+15/16*4/15

1) [latex] frac{12}{25}- frac{4}{15} = frac{36-20}{75}= frac{16}{75} [/latex]2) [latex] frac{4}{45}: frac{16}{75}= frac{4*75}{45*16}= frac{1*5}{3*4} = frac{5}{12} [/latex]3) [latex] frac{15}{16}* frac{4}{15} = frac{15*4}{16*15}= frac{1}{4} [/latex]4) [latex] frac{5}{12}+ frac{1}{4}= frac{5+3}{12}= frac{8}{12} = frac{2}{3} [/latex]