Question

9-5
10-5
4-5
1-5
(-10) - 5
prosze zrubcie
ćw.1 str. 63

Answer 1

9 - 5 =  4
10 - 5 = 5
4 - 5 =  - 1
1 - 5 = - 4
( - 10) - 5 =  - 15
proszę liczę na naj

Answer 2

9 - 5 = 4
10 - 5 = 5
4 - 5 = (-1)
(-10) - 5 = (-15)