Oblicz w pamięci! 1. -12 + (-15) 2. -40 + 25 3. -101 + (-110) 4. -7 + 42 5. - 101 + 74 6. -105 + 140 7. -16 +5 = 8. 89 + (-19)= 9. -27 + 32= 10. -8 1/2 + 6 = 11. 1/2 + ( -1/2)= 12.-3 3/4 + 1/4= 13. -13 + 5,6= 14. -6,2 + (-2)= 16.
Oblicz w pamięci!
1. -12 + (-15)
2. -40 + 25
3. -101 + (-110)
4. -7 + 42
5. - 101 + 74
6. -105 + 140
7. -16 +5 =
8. 89 + (-19)=
9. -27 + 32=
10. -8 1/2 + 6 =
11. 1/2 + ( -1/2)=
12.-3 3/4 + 1/4=
13. -13 + 5,6=
14. -6,2 + (-2)=
16.