Răspuns:
Explicație pas cu pas:
1)
a)
= - 24:(-4)+15-1*37
= 6+15-1*37
=21-37
= - 16
-
b)
=(-1)*4/5-(-1)*3/2
= - 4/5-(-3/2)
= -²⁾4/5-⁵⁾3/2
= - 8/10 - 15/10
= - 23/10
-
2)
2x-8<10
2x<10+8
2x<18
x< 18:2
x<9
-
x∈Z { -8,-7,-6,-5,-4,-3,-2 ,-1 ,0 1,2,3 ,4,5,6,7,8 }
A= x l 14
A= { -7,-2,-1 , 1 , 2, 7 }
