Question

1 Efectuati calculele:
a) -3 + (-9)
b) -3 + (+12)
c) +6 + (-9)
d) 7 + (-15)
e) 12 + (-8)
f) 0 + (-6)
g) 8 + (-8)
h) 15+ (-14)
i) -3 + (+3)
j) -21 + (+23)
k) -3 + (+17)

Answer 1

-3-9 = -12
-3+12=+9
+6-9 = - 3
7-15 = -8
12-8 = +4
0-6 = -6
8-8 = 0
15-14 = 1
-3+3 = 0
-21+23 = +2
-3 + 17 = +14

Answer 2

a) -3-9=-12
b)-3+12= 9
c)6-9= -3
d)7-15= -8
e)12-8 = 4
f)0-6= -6
g)8-8= 0
h)15-14= 1
i)-3+3= 0
j)-21+23= 2
k)-3+17=14