Question

{2 * [20 - (5+x):6]-5}:9+17=20 ​

Answer 1

Răspuns:

x = 227

Explicație pas cu pas:

{ 2 × [ 20 - ( 5 + x ) : 6 ] - 5 } : 9 + 17 = 20

{ 2 × [ 20 - ( 5 + x ) : 6 ] - 5 } : 9 = 20 - 17

{ 2 × [ 20 - ( 5 + x ) : 6 ] - 5 } : 9 = 3

2 × [ 20 - ( 5 + x ) : 6 ] - 5 = 3 × 9

2 × [ 20 - ( 5 + x ) : 6 ] - 5 = 27

2 × 20 - ( 5 + x ) : 6 = 27 + 5

2 × 20 - ( 5 + x ) : 6 = 32

2 × 20 - ( 5 + x ) = 32 × 6

2 × 20 - ( 5 + x ) = 192

40 - ( 5 + x ) = 192

5 + x = 192 + 40

5 + x = 232

x = 232 - 5

x = 227