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81 - 3 =	36 + 7 =	3 . 25 =	90 : 6 =
55 - 9 =	4 . 23 =	74 + 9 =	78 : 2 =
42 - 3 =	96 : 8 =	3 . 32 =	56 + 5 =
59 + 9 =	51 - 6 =	3 . 27 =	98 : 7 =
76 + 6 =	39 . 2 =	48 - 9 =	96 : 2 =
6 + 39 =	84 : 4 =	16 . 6 =	85 - 6 =