Question

13 14 7) (-1).(-2).(-3).(-4)= 8) (-1).(-2).(+3).(+4)= 3 ) 9) (+1).(-2).(-3).(-4)= ) 10) (-1).(+2).(-3).(-4)= 11) (-1).(+2).(+3).(-4)= 15 16 ) 4 17​
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Answer 1

Răspuns:

7) (-1)×(-2)×(-3)×(-4)=2×(-3)×(-4)=-6×(-4)=24

8) (-1)×(-2)×(+3)×(+4)=2×3×4=6×4=24

9) (+1)×(-2)×(-3)×(-4)=-2×(-3)×4=6×4=24

10) (-1)×(+2)×(-3)×(-4)=-2×(-3)×(-4)=6×(-4)=-24

11) (-1)×(+2)×(+3)×(-4)=-2×3×(-4)=-6×(-4)=24

12) (-1)×(-2)×(-3)×(-4)=2×(-3)×(-4)=-6×(-4)=24