a) (-4) (+ 5) =
b)(-3)(-7)(-1)=
c) (+10) : (- 1) =
d) (-80) : (+ 10) =
e) (-7) (+ 5) =
f) 4. (-10) =
a) (- 18) • 0 =
b)(-3)(-7)(-1)=
c) (+10) : (- 1) =
d) (-80) : (+ 10) =
e) (-7) (+ 5) =
f) 4. (-10) =
a) (- 18) • 0 =
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Resposta:
[tex]a)\left(-4\right)\left(+5\right)=-20\\b)\left(-3\right)\left(-7\right)\left(-1\right)=-21\\c)\frac{\left(+10\right)}{\left(-1\right)}=-10\\d)\frac{\left(-80\right)}{\left(+10\right)}=-8\\e)\left(-7\right)\left(+5\right)=-35\\f)4\left(-10\right)=-40\\g)\left(-18\right)\cdot \:0=0[/tex]