Question

) Efetue as multiplicações: a) ( + 15 ) . ( + 3 ) = b) ( + 4 ) . ( –2 5 ) = c) ( – 18 ) . ( + 4 ) = d) ( – 60 ) . ( – 70 ) = e) ( – 2 ) . ( + 4 ) . ( + 5 ) . ( – 1 ) = f) ( – 1 ) . ( – 2 ) . ( – 3 ) = g) 2 . (- 3 ) . ( + 5 ) = h) (- 5 ) . 5 . ( – 5 ) = i) (+25).(-10)= j) (-16).(-36)= k) (-12).(+28)= l) (+44).(-11)= m) (+12).(-3).(-1)= n) (-80).(-3).0.(-15)= o) (-10).(-10).(-5).(+4)= p) (-2).(+4).(-3).(+5).(+2)=

Answer 1

Resposta:

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