Question

Решите 4
Даю 15 баллов

Answer 1

$1)3\frac{3}{4}*\frac{3}{4}=\frac{15}{4}*\frac{3}{4}=\frac{45}{16}\\\\2)8\frac{4}{9}:3\frac{4}{5}=\frac{76}{9}*\frac{5}{19}=\frac{4*5}{9}=\frac{20}{9}\\\\3)1\frac{1}{2}:27=\frac{3}{2}*\frac{1}{27}=\frac{1}{2*9}=\frac{1}{18}\\\\4)\frac{45}{16}-\frac{20}{9}+\frac{1}{18} =\frac{45*9-20*16+8}{144}=\frac{405-320+8}{144}=\frac{93}{144}=\frac{31}{48}\\\\5)\frac{31}{48}:1\frac{29}{48}=\frac{31}{48}:\frac{77}{48}=\frac{31}{48}*\frac{48}{77}=\frac{31}{77}$