Matematika 10 - 11: Pjesa I

Kryeni shumëzimet e mëposhtme.

1. +5 $\times$ (-5)
2. +4 $\times$ (-8)
3. -8 $\times$ (+9)
4. -4 $\times$ (+5)
5. -3 $\times$ (-10)
6. -7 $\times$ (-7)
7. +8 $\times$ (+2)
8. +5 $\times$ (-4)
9. -2 $\times$ (+9)
10. -13 $\times$ (-2)
11. -7 $\times$ (+6)
12. +12 $\times$ (-4)