Question

помогите.пожулайста ​

Answer 1

Ответ:

$1 \frac{5}{7} - 4 \frac{3}{13} \div 1 \frac{19}{26} = \frac{12}{7} - \frac{55}{13} \frac{26}{45} = \frac{12}{7} - \frac{22}{9} = \frac{9 \times 12 - 22 \times 7}{7 \times 9} = \frac{108 - 154}{63} = \frac{ - 46}{63} = - 0.73$

$\frac{47}{48} \div 3 \frac{13}{27} - \frac{13}{6} = \frac{47}{48} \frac{27}{94} - \frac{13}{6} = \frac{9}{32} - \frac{13}{16} = \frac{9 - 26}{32} = - \frac{17}{32} = - 0.53$