Răspuns :
-6-1=-7
-6+18=12
1-2-3=-5
-3-3=-6
-7-3=-10
2+5=7
11-12=-1
11-6=5
-9+30=21
-10-11=-21
-6+18=12
1-2-3=-5
-3-3=-6
-7-3=-10
2+5=7
11-12=-1
11-6=5
-9+30=21
-10-11=-21
Răspuns:
Explicație pas cu pas:
1)
=-6-1
= -7
-
2)
= -6 +18
= 12
-
3)
=1-2-3
= -4
-
4)
= -3-3
= 0
-
5)
= -7-3
= -10
-
6)
=2 +5
= 7
7)
= 11-12
= -1
-
8)
= 11+6
= 17
-
9)
= -9 +30
= 21
-
10)
= -10 -11
= - 21