А) 234²-233² = (234+233)(234-233) = 467
Б) 139²+213961+61² = (139+61)² = 200² = 40000
В)159²-215959+59² = (159-59)² = 100² = 10000
А) 234²-233² = (234+233)(234-233) = 467
Б) 139²+213961+61² = (139+61)² = 200² = 40000
В)159²-215959+59² = (159-59)² = 100² = 10000