Show:
Addition with negative and positive numbers.
Subtraction with positive and negative numbers.
Multiplication with negative numbers.
Multiplication with positive numbers
Division with positive numbers.
100

-11

 -5+-6=

100

3

7-4=

100

5

-1⋅ -5=

100

12

3 ⋅ 4=

100

4

8/2=

200

6

15+(-9)=

200

-11

10-21=

200

30

-10 ⋅ -3=

200

24

12 ⋅ 2

200

6

12 / 2

300

-314

-105+-209=

300

11

64-53=

300

60

-20 ⋅ -3=

300

60

20 ⋅ 3=

300

11

55/5=

400

-9

 65+(-74)=

400

-452

257-309=

400

1250

-50 ⋅ -25=

400

80

40 ⋅ 2=

400

16

64/4=

500

-4940

-1965+-2975=

500

797

1753-956=

500

2665

-65 ⋅ -41=

500

224

56 ⋅ 4=

500

15

75/5=