用一根72厘米长的铁丝焊成一个正方体框架,它的棱长是多少厘米?6L3v2J)I6g5`;D)y*K1A3L7}3o9Y
算式:提示-q0n(B7~;r/L1l6L3v2J)I6g5`;D)y*K1A3L7}3o9Y
答:它的棱长是0e3{;s4S)N3Q4|厘米。6L3v2J)I6g5`;D)y*K1A3L7}3o9Y