Math problems and negatives

Adding with negatives

100

-5+-2

-7

200

-15.5+-5

-20.5

300

-26.9+-29.9

-56.8

400

-32.96+-5.4+-21

-59.36

500

-96.989+-19.78+-34.568+-64.56

-215.897

Subtracting with negatives

100

-7-(-3)

-4

200

-13-(-5)

-8

300

-25.2-(-13.2)

-12

400

-31.67-(-14.87)-(-4.59)

-12.21

500

-69.990-(-43.567)-(-21.650)-(-12.23)

7.457

Multiplying

100

6x8

48

200

13x4

52

300

12x14

168

400

13x15x16

3120

500

14x12x19x9

28728

dividing

100

27/3

9

200

72/9

8

300

542/8

67.75

400

3443/22

156.5

500

6464875/5

1292975

bonus

500

Bonus question!!!

-46+-96-(-9)+-65+128

-70