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(54: 9 + 24 : 3 + x) : 6 = 21


Răspuns :

Răspuns:

(6+8+x):6=21

14+x=126

x=126-14=112

( 54 : 9 + 24 : 3 + x ) : 6 = 21

( 6 + 8 + x ) : 6 = 21

( 14 + x ) : 6 = 21

14 + x = 21 × 6

14 + x = 126

x = 126 - 14

x = 112