math
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3 defs 84 5 defs 136 3 defs 69 2 defs 75 5 defs 70 5 defs 101 3 defs 132 3 defs 125 3 defs 76 6 defs 101 6 defs 119 3 defs 53 5 defs 59 6 defs 76 3 defs 115 6 defs 110 5 defs 83 6 defs 87 5 defs 58 3 defs 109 4 defs 80 3 defs 64 5 defs 62 5 defs 73 5 defs 57 3 defs 100 3 defs 100 3 defs 91 6 defs 52 3 defs 73