下面的3组数中各缺少一个数字,请根据数字的排列规律填空.1.one three two four three five four six ------2.one two six twenty-four one hundred and twenty ------3.six eleven sixteen twenty-one ------
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下面的3组数中各缺少一个数字,请根据数字的排列规律填空.1.one three two four three five four six ------2.one two six twenty-four one hundred and twenty ------3.six eleven sixteen twenty-one ------
下面的3组数中各缺少一个数字,请根据数字的排列规律填空.
1.one three two four three five four six ------
2.one two six twenty-four one hundred and twenty ------
3.six eleven sixteen twenty-one ------
下面的3组数中各缺少一个数字,请根据数字的排列规律填空.1.one three two four three five four six ------2.one two six twenty-four one hundred and twenty ------3.six eleven sixteen twenty-one ------
1.one three two four three five four six five
2.one two six twenty-four one hundred and twenty eight hunderd and forty
3.six eleven sixteen twenty-one twenty-six
5
720
26
.one three two four three five four six, five seven
2.one two six twenty-four one hundred and twenty , seven hundred and twenty
3.six eleven sixteen twenty-one , twenty- six. thirty-one
5 隔一个看第1，3，5项
720 1，1×2，1×2×3，1×2×3×4...
26 +5