87 - 63 =, 24, 31, 47, 51, 91 - 12 =, 53, 79, 81, 89, 60 - 20 =, 40, 44, 49, 56, 88 - 25 =, 63, 67, 73, 93, 44 - 29 =, 15, 25, 28, 37, 97 - 27 =, 70, 72, 74, 94, 69 - 30 =, 23, 35, 39, 41, 59 - 22 =, 24, 30, 37, 68, 81 - 45 =, 36, 37, 46, 54, 76 - 12 =, 54, 64, 67, 71, 97 - 26 =, 56, 71, 73, 87, 81 - 56 =, 25, 35, 43, 61, 62 - 28 =, 25, 34, 36, 44, 59 - 31 =, 28, 31, 39, 40, 93 - 75 =, 18, 28, 22, 55, 52 - 20 =, 20, 32, 33, 68, 55 - 10 =, 41, 45, 52, 72, 91 - 28 =, 77, 73, 48, 63, 80 - 31 =, 51, 34, 49, 75, 63 - 33 =, 26, 30, 41, 47

Subtraction -2-

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