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  • Actividades. Multiplicación y división de números enteros
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      Actividades. Multiplicación y división de números enteros
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      Multiplicación y división de números enteros. Actividades 37-44

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      Actividades. Multiplicación y división de números enteros
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      Actividad 37

      0/6
      Selecciona el signo que falta en estas operaciones.

      a) 4 ⋅ (5) = −20  

      b) (−16) : 8 = 2  

      c) (−12) ⋅ (−4) = 48

      d) (−12) : (−4) = 3

      e) 3 ⋅ (7) = −21

      f) (−36) : (12) = 3

       

        3 attempts
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      Actividad 38

      0/4
      ¿Qué signo tendrán los resultados de estas expresiones? Clasifícalas.
      • a) 12 ⋅ (−35) : (−7) ⋅ (−450)

      • b) 350 ⋅ 61 : 10 ⋅ (−65)

      • c) (−405) ⋅ 35 : 15 ⋅ (−89)

      • d) (−45) ⋅ (−58) ⋅ (−135) : (−30)

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            /*%%SmartyNocache:33939540968219999b096b5_11525519%%*/smarty->registered_plugins[Smarty::PLUGIN_FUNCTION]['textweb'][0], array( array('name'=>"slide_classify_initial_group",'value'=>"Ninguno",'value_en'=>"Reset"),$_smarty_tpl ) );?> /*/%%SmartyNocache:33939540968219999b096b5_11525519%%*/ Positivo Negativo

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          Actividad 39

          0/8
          Resuelve.

          a) 14 ⋅ (−4) =

          b) (−7) ⋅ 7 =

          c)  15 ⋅ 5 =

          d) (−9) ⋅ (−8) =

          e) 18 : (−9) =

          f)  24 : 3 =

          g) (−42) : (−7) =

          h) (−12) : 6 =

            -49 -56 -2 75 6 72 8

            3 attempts
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          Actividad 40

          0/6
          Calcula.

          a) 12 ⋅ (−3) : 4 =

          b) (−24) : 3 ⋅ (−6) =

          c)  36 : (−4) ⋅ 5 =

          d) (−45) : (−5) : (−3) =

          e) 8 ⋅ 4 ⋅ (−3) =

          f)  (−42) : (−7) ⋅ 4 =

            -3 48 24 -96 -9 -45

            3 attempts
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          Actividad 41

          0/6
          Completa con el número entero que falta en cada caso.

          a) 50 : = (−25)

          b) ⋅ (−12) = 96

          c) : (−6) = (−15)

          d) ⋅ (−6) = 72

          e) (−140) : = (−28)

          f) 15 ⋅ = (−105)

            90 -8 -12 -7 -2 5

            3 attempts
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          Actividad 42

          0/9
          Representa estas oraciones en forma de operación y resultado.
          ⋅ = €  ⋅  = €  ⋅ = €

           

            100 -56 -8 -4 36 7 1200 -9 12

            3 attempts
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          Actividad 43

          0/2
          Úrsula tiene una cuenta bancaria que solo utiliza para pagar un préstamo. Cada mes, en su extracto aparece el dato −125 €, que corresponde a los 125 € que paga por su préstamo.

          a) ¿Cuánto variará su saldo después de pagar el préstamo durante un año?

           €

          b) Si su saldo ha bajado 875 €, ¿cuántos meses de préstamo ha pagado?

          meses

            -1500 7

            3 attempts
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          Actividad 44. Desafío

          P

          El producto de dos números enteros es 18. ¿Cuáles podrían ser esos números?

          Si ahora tenemos tres números enteros cuyo producto es 19, averigua de qué números podría tratarse.

           

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