А) -15:3+(-2)•(-6)=-5+12=7
<span>Б) -36•1,2+26•1,2= 1,2•(-36+26)=1,2•(-10)=-12</span>
1) T - 20 = - 5
T = - 5 + 20
T = 15
2) X + 30 = - 14
X = - 14 - 30
X = - 44
3) T - 7 = - 16
T = - 16 + 7
T = - 9
4) 2 + Z = 0
Z = - 2
5) U - 4 = - 4
U = - 4 + 4
U = 0