Question

32,4 -7,5*2 целых и 2/45:6 целых и 3/11

Answer 1

$32,4-7,5*2 frac{2}{45}:6 frac{3}{11}= frac{324}{10}- frac{75}{10}* frac{92}{45} : frac{69}{11}= frac{324}{10}- frac{75*92}{10*45}: frac{69}{11}=$$frac{324}{10}- frac{15*46}{5*9}* frac{11}{69}= frac{324}{10}- frac{3*4}{9}* frac{11}{69}= frac{324}{10}- frac{4}{3}* frac{11}{69}= frac{324}{10}- frac{4*11}{3*69}=$$frac{324}{10}- frac{44}{207}= frac{67068}{2070}- frac{440}{2070}= frac{67068-440}{2070}= frac{66628}{440}= frac{16657}{110}$$=151 frac{47}{110}$