Răspuns
Explicație pas cu pas:
( 7 + 7 ) × ( 7 - 7 : 7 ) = 84
= 14 × ( 7 - 1 ) =
= 14 × 6 =
= 84
___________
7 + 7 × ( 7 - 7 : 7 ) = 49
= 7 + 7 × ( 7 - 1 ) =
= 7 + 7 × 6 =
= 7 + 42 =
= 49
______________
( 7 + 7 × 7 - 7 ) : 7 = 7
= ( 7 + 49 - 7 ) : 7 =
= ( 56 - 7 ) : 7 =
= 49 : 7 =
= 7
_______________
[ 7 + 7 × ( 7 - 7 ) ] : 7 = 1
= ( 7 + 7 × 0 ) : 7 =
= ( 7 + 0 ) : 7 =
= 7 : 7 =
= 1
_____________
( 7 + 7 ) × ( 7 - 7 ) : 7 = 0
= 14 × 0 : 7 =
= 0 : 7 =
= 0
