Show:
Addition
Subtraction
Multiplication
Division
100
–9 + –2 =
–11
100
–8 – –3 =
–11
100
–7 x –2
14
100
–18 ÷ –9 =
2
200
–2 + 12 =
10
200
7 – –6 =
13
200
–3 x –8 =
24
200
24 ÷ –4 =
–6
300
14 + –7 =
7
300
14 – –6 =
20
300
4 x –4 =
–16
300
–40 ÷ –10 =
4
400
–21 + 22 =
1
400
–21 – –4 =
–17
400
5 x –9 =
–45
400
–70 ÷ 7 =
–10
500
–17 + 17 =
0
500
–20 – 30 =
–50
500
12 x –2 =
–24
500
–66 ÷ –11 =
6