Question

помогите пожалуйста​

Answer 1

Ответ:

Пошаговое объяснение:

$-10+7=-3\\\\-4.6+6.3=1.7\\\\13.8+(-5.2)=13.8-5.2=8.6\\\\7.14+(-12.4)=7.14-12.4=-5.26\\\\-4.8+4.8=0\\\\-1+0.329=-0.671\\\\-\frac{5}{14} +\frac{7}{10} =-\frac{25}{70} +\frac{49}{70} =\frac{24}{70} =\frac{12}{35} \\\\4\frac{2}{7} +(-1\frac{4}{5} )=\frac{30}{7} -\frac{9}{5} =\frac{150}{35} -\frac{63}{35} =\frac{87}{35} =2\frac{17}{35} \\\\-6\frac{5}{6} +3\frac{5}{8} =-\frac{41}{6} +\frac{29}{8} =-\frac{164}{24} +\frac{87}{24} =-\frac{77}{24} =-3\frac{5}{24}$