Răspuns:
I
1) 0
2) 10-9= 1 (Depinde ce clasa esti ar putea fi si (-99)+9= -90 )
3) -10 : 5 = -2
II
1) a) -15
2) c) 6
3) c) {4 , 0, 2, 6 }
III
1) https://ro-static.z-dn.net/files/db1/c39bf8a3c895a169cea392e96cf72431.png
2) x >y -11 > -34
3) a= (-7)·(-12)-6·18 = 84-108=-24
b= (-5)·17-4·(-12)=(-85)+48=-37
|a-b|= -24-37 = -61
Explicație pas cu pas: