Question

1.- ( 9 – 6 ) ÷ 3 + ( 15 – 3 ) ÷ ( 7 – 3 ) + ( 9 ÷ 3 ) =
2.- (6 + 5 + 4) 3 =
3.- (20 – 15 + 30 – 10) 5 =
4.- 40 + [25 – (3 + 2)] =
5.- 520 + [8 – 3 + {9 – (5)}] =

Answer 1

Respuesta:

1= 7

2= 45

3= 123

4= 60

5= 529

Explicación paso a paso:

1.- ( 9 – 6 ) ÷ 3 + ( 15 – 3 ) ÷ ( 7 – 3 ) + ( 9 ÷ 3 ) =

    3 ÷ 3 + (12) ÷ (4) + (3) =

   3 ÷ 3 + 3 +3 =

   1 + 3 + 3 = 7

2.- (6 + 5 + 4) 3 =

    (15) 3 = 45

3.- (20 – 15 + 30 – 10) 5 =

     (5 + 20) 5 =

     (25) 5 = 125

4.- 40 + [25 – (3 + 2)] =  

    40 + [25 – (5)] =

    40 + [25 – 5] =

    40 + [20] =

    40 + 20 = 60

5.- 520 + [8 – 3 + {9 – (5)}] =

    520 + [8 – 3 + {9 –5}] =

    520 + [8 – 3 + {4}] =

   520 + [8 – 3 + 4] =

    520+ [9] =

    520 + 9 = 529