Răspuns :
( 5 + 17 ) × ( 31 + 27 ) + ( 5 + 17 ) × 19 + 22 = 1716
= 22 × 58 + 22 × 19 + 22 =
= 22 × ( 58 + 19 + 1 ) =
→ am dat factor comun pe 22
= 22 × 78 =
= 1 716
( 5 + 17 ) × ( 31 + 27 ) + ( 5 + 17 ) × 19 + 22 = 1716
= 22 × 58 + 22 × 19 + 22 =
= 22 × ( 58 + 19 + 1 ) =
→ am dat factor comun pe 22
= 22 × 78 =
= 1 716