Задание 13)8 1/7-9 1/11Задание 2 1)24*3 1/8= 2)-5*9,6 3)9/0,3=Задание 3 1)1,0029т в...

1)
$8 \frac{1}{7} - 9 \frac{1}{11} = 8 \frac{11}{77} - 9 \frac{7}{77} = - 1 \frac{4}{77}$
2)
$24 \times 3\frac{1}{8} = \frac{24}{1} \times \frac{25}{8} = \frac{3}{1} \times \frac{25}{1} = 75$
$- 5 \times 9.6 = - 48$
$9 \div 0.3 = 90 \div 3 = 30$
3)
$1.0029 \times 1000 = 1002.9$
$3.1 \div 1000 = 0.0031$