有一列数,1,1,2,3,5,8,13,21,34····从第三个数开始,每个数都是他前面2个数的和,那么在前2008个数中有多少个奇数?*F;`'T:R8T-v2W2I:X)l2R
算式:提示0p.a'S'k6b8u2@3R*a:f-_0u'J;T+M4S7c*F;`'T:R8T-v2W2I:X)l2R
答:前2008个数中有1q-v9m1|/u4F)r7I3e6m1m5?(o1[;M个奇数。*F;`'T:R8T-v2W2I:X)l2R