Вычислите произведение удобным а)36•25 б)25•12 в)75•24 г)150•42 образец: 1) 25•24=25•(4•6)=(25•4)•6=100•6=600

36 * 25 = (4 * 9) * 25 = (4 * 25) * 9 = 100 * 9 = 900

25 * 12 = 25 * (3 * 4) = (4 * 25) * 3 = 100 * 3 = 300

75 * 24 = (25 * 3) * (4 * 6) = (25 * 4) * (3 * 6) = 100 * 18 = 1800

150 * 42 = (3 * 2 * 25) * (2 * 3 * 7) = (2 * 25 * 2) * (3 * 3 * 7) =

= (4 * 25) * (9 * 7) = 100 * 63 = 6300