Question

Номер 1177 а и б решение пж))

Answer 1

M/-7.2=5.3/3.6
m= - 5.3/3.6*7.2
m= - 5.3*2
m= - 10.6

(-7 1/4)/х =(9 2/3)/(3 1/3)
х= - (7 1/4 * 3 1/3)/ (9 2/3)
х= - 29/4*10/3*3/29
х= - 10/4= - 2 1/2