math
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5 defs 102 3 defs 105 5 defs 56 3 defs 136 6 defs 105 3 defs 68 3 defs 97 5 defs 75 6 defs 139 4 defs 75 3 defs 93 3 defs 46 5 defs 105 3 defs 58 3 defs 87 3 defs 80 5 defs 77 5 defs 74 5 defs 78 6 defs 66 6 defs 84 6 defs 80 3 defs 78 3 defs 63 3 defs 60 6 defs 59 3 defs 77 7 defs 88 5 defs 98 3 defs 58