一个大南瓜竖直切成29块，最少要切几刀？+D;b6s(a/x1\;o*E*y0X7U7}5U8L0M
算式：提示3_4T3v+U6i/l0g+D;b6s(a/x1\;o*E*y0X7U7}5U8L0M
答： 最少要切;?6M3g'H:m刀。+D;b6s(a/x1\;o*E*y0X7U7}5U8L0M