(2 and two fifths times 37 + 24 times 2 and one half - 2.4 times 52) times (one third + one twelfth - 0.375 =?

(2 and two fifths times 37 + 24 times 2 and one half - 2.4 times 52) times (one third + one twelfth - 0.375 =?


(2 and 2 / 5 times 37 + 24 times 2 and 1 / 2-2.4 times 52) times (1 / 3 + 1 / 12-0.375)
=2.4×(37+25-52)×(5/12-3/8)
=2.4×10×24
=24×24
=576



Fill in the number 1 according to the rule: 4,1,6,3,8,5,10, (), 12, () 2: 3,4,7,12,19, (), (), 52


4,1,6,3,8,5,10, (7), 12, (9) odd 4 6 8 10 12 even 1 3 5 7 93,4,7,12,19, (28), (39), 52 odd 3 7 19 39 4 12 20 even 4 12 28 52 8 16 24