math
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5 defs 105 3 defs 130 5 defs 111 3 defs 74 7 defs 70 3 defs 56 3 defs 44 5 defs 162 6 defs 93 6 defs 122 3 defs 53 3 defs 82 3 defs 65 7 defs 164 6 defs 84 5 defs 75 6 defs 87 3 defs 88 6 defs 84 3 defs 104 5 defs 68 6 defs 62 3 defs 114 7 defs 102 3 defs 68 3 defs 115 6 defs 50 7 defs 88 5 defs 81 7 defs 90