按规律填空 one two three five _____ ______twenty--one
问题描述:
按规律填空 one two three five _____ ______twenty--one
答
应该填 eight 和 thirteen
1 2 3 5 8 13 21
1+2=3
2+3=5
3+5=8
5+8=13
13+8=21