Question

{[( x - 8 ) ÷ 4 ) + 5 } × 5 + 5 = 110​

Answer 1

Răspuns:

Explicație pas cu pas:

[( x - 8 ) : 4 + 5 ] × 5 +5 = 110

Folosim metoda mersului invers

[ ( x - 8 ):4+5 ] × 5 = 110 - 5

[ ( x - 8 ) : 4 + 5 ] × 5 = 105

( x - 8 ) : 4 + 5 = 105 : 5

( x - 8 ) : 4 +5 = 21

( x - 8 ) : 4 = 21 - 5

( x - 8 ) : 4 = 16

x - 8 = 16 × 4

x - 8 = 64

x = 64 + 8

x = 72

Answer 2

{ [ ( x - 8 ) : 4 ] + 5 } × 5 + 5 = 110

{ [ ( x - 8 ) : 4 ] + 5 } × 5 = 110 - 5

{ [ ( x - 8 ) : 4 ] + 5 } × 5 = 105

[ ( x - 8 ) : 4 ] + 5 = 105 : 5

[ ( x - 8 ) : 4 ] + 5 = 21

( x - 8 ) : 4 = 21 - 5

( x - 8 ) : 4 = 16

x - 8 = 16 × 4

x - 8 = 64

x = 64 + 8

x = 72