Question

помагите по математике)

Answer 1

$1) : : |15 frac{7}{11} | + 97 frac{4}{11} + 2 frac{13}{21} + | - 84 frac{8}{21} | = 15 frac{7}{11} + 97 frac{4}{11} + 2 frac{13}{21} + 84 frac{8}{21} = 112 frac{7 + 4}{11} + 86 frac{13 + 8}{21} = 113 + 87 = 200 \ \ 2) : : 1.32 + |47.15| + 8.68 + | - 2.85| + | - 60| = 10 + 47.15 + 2.85 + 60 = 120$