1)(9-30):(3,08+1,12) 2)(15+6,7):(5,34-8,44)
(9-30)/(3.08+1.12)= - 21/4.2= -5 (15+6.7)/(5.34-8.44)= 21.7/ -3.1= - 7
Завтро отмечу