Răspuns :
300 × 299 + 299 ×298 - 598 ×198 =
299 × ( 300 + 298 ) - 598 × 198 =
299 × 598 - 598 × 198 =
598 × ( 299 - 198 ) =
598 × 101 =
60.398
299 × ( 300 + 298 ) - 598 × 198 =
299 × 598 - 598 × 198 =
598 × ( 299 - 198 ) =
598 × 101 =
60.398
300 × 299 + 299 ×298 - 598 ×198 =
299 × ( 300 + 298 ) - 598 × 198 =
299 × 598 - 598 × 198 =
598 × 101 =
60398