Odpowiedź:
1. 4*(-2)+7*3=(-8)+21=13
2. 15*(-2)-2*3=(-30)-6=-36
3. 8*(-2)+1/2*3-3=(-16)+1,5-3=11,5
4. 5*(-2+7)=25
5. 9*(3-1)=18
6. 2*(-2)+2*3=2
7. 2*3-2*(-2)=10
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Odpowiedź:
1. 4*(-2)+7*3=(-8)+21=13
2. 15*(-2)-2*3=(-30)-6=-36
3. 8*(-2)+1/2*3-3=(-16)+1,5-3=11,5
4. 5*(-2+7)=25
5. 9*(3-1)=18
6. 2*(-2)+2*3=2
7. 2*3-2*(-2)=10