Question

10 operaciones combinadas

Answer 1

Respuesta:

1.-

5 – 3 x 2 + 4 – 4 : 2

5 – 6 + 4 – 2

5 – 6 + 4 – 2 = 1

2.-

( 4 + 3 ) – ( 3 x 2 ) + 1

4 + 3 = 7

3 x 2 = 6

7 – 6 + 1

7 – 6 + 1 = 2

3.-

3 x ( 4 x 2 – 3 ) – ( 4 + 6 : 3 )

3 x ( 4 x 2 – 3 ) – ( 4 + 6 : 3 )

3 x ( 8 – 3 ) – ( 4 + 2 )

3 x 5 – 6

15 – 6 = 9

4.-

[ 15 – ( 2 – 10 : 2) ] x [ 5 + ( 3 x 2 – 4)] – 3 + ( 8 – 2 x 3 ) =

[ 15 – 3 ] x [ 5 + 2 ] – 3 + 2 =

( 15 – 3 ) x ( 5 + 2 ) – 3 + 2 =

12 x 7 – 3 + 2 =

84 – 3 + 2 = 83

5.-  

2 - (-3) 5 + 4 (-7) =  

2 - (-15) + (-28) =  

2 + (+15) + (-28) =  

(+17) + (-28) =  -11

6.-

-4 (-3) + (-3)  (-2) -12 :(-3)=

(+12) + (+6) - (-4)=

(+12) + (+6) + (+4)=

+22

7.-

(-1)(-12) - 12 (-3) + 20

(+12) - (-36) + 20

(+12) + (+36) + 20

+68

8.-

32 - (-27) + (-48) : 6 =

32 - (-81) + (-8) =

32 + (+81) + (-8) =

(+113) + (-8) = +105  

9.-

45 : (-5) - 6 (-4) - (-5)(-3)=

(-9) - (-24) - (+15)=

(-9) + (+24) + (-15)=

(-24) + (+24)=0

10.-

3 • 2 − 5 + 4 • 3 − 8 + 5 • 2 =

6 − 5 + 12 − 8 + 10 =

6 − 5 + 12 − 8 + 10 = 15

Explicación paso a paso:

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