(4-14\33*1цел1\21)*5цел5\8
(4 - 14/33 * 1 1/21) * 5 5/8 = 20, 1) 14/33 * 1 1/21 = 14/33 * 22/21 = 4/9, 2) 4 - 4/9 = 3 9/9 - 4/9 = 3 5/9, 3) 3 5/9 * 5 5/8 = 32/9 * 45/8 = 4 * 5 = 20
спс
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