∆∆ ∫®øç˚ ∫´å¨ ΩΩΩΩΩΩΩΩ ∆∆∆∆∆∆

adding integers

100

-5+6

What is 1

200

11+(-6)

5∆

300

-22+35

13 Ω

400

-172+(-27)

-199 ©

500

-751+109

What is -642 ¢∆

Subtracting integers

100

-5-(-5)

What is ≈0

200

53-(-60)

What is 113