63쪽:(3.14배),밑에문제(예)37.69)cm,약(3.14)배/64쪽:3.14,3.14,3.14,(4cm,6cm),(12.56cm,18.84cm),(3.14,3.14)/65쪽:가56.52cm,나21.98cm,다37.68cm,라34.54cm
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