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IV.8.Inmultirea a doua paranteze

Gasiti in partea dreapta rezultatul calculului din stanga.Timp de lucru 3 minute,Succes!

Definitions:
(4-1)x(6-1), (8-1)x(9-2) activity , (6%2b1)x(2%2b2), (4%2b2)x(3%2b3), (2%2b6)x(9-1), (2%2b1)x(1%2b2), (4-2)x(6%2b2), (4-2)x(5%2b2), (4%2b4)x(5-1), (1%2b1)x(2%2b1), (2-1)x(2%2b1), (2%2b3)x(4%2b4), (7%2b2)x(6%2b3), (3-1)x(3%2b2), (1%2b1)x(2%2b2), (3%2b4)x(2%2b4), (3%2b2)x(4%2b10, (7-4)x(4%2b3), (2%2b2)xx(2%2b3), (2%2b1)x(2%2b2), (6-4)x(4%2b5) results history , (2%2b4)x(6-2), (8-2)x(2%2b3),

Answers:
28, 30, 40, 18, 6, 24, 9, 15, 42, 49, 8, 21, 16, 25, 14, 3, 36, 10, 64, 32, 20, 81, 12,