Addition
7+(−3)
= 4
9 − 4
= 5
4 × (−3)
= - 12
12 ÷ 3
= 4
−8 + 15
= 7
−18 + 9
= - 9
15− (−7)
= 22
(−8) × 6
= - 48
−24 ÷ 6
= - 4
18 − (−12)
= 30
−12 + (−16)
= - 28
−18 − 9
= - 27
(−12) × (−7)
= 84
56 ÷ (−7)
= -8
(−7) × (−9)
= 63
−64 + 47
= - 17
−64 − (−37)
= - 27
24 × (−15)
= -360
−144 ÷ (−12)
= 12
(−84) ÷ (−7)
= 12
−125 + (−78)
= - 203
125 − (−78)
= 203
(−32) × (−18)
= 576
225 ÷ (−15)
= - 15
−144 ÷ 12 + 18
= 6