STOP是不是?按英语字母表推算的.
19 20 15 16
1个回答
相关问题
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是14、16,15,19,20
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20²-19²+18²-17²+16²-15²+2²
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14,15,16,17,18,19,20
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10,20,14,13,18,15,16,16,16,19,(),17
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20-19+18-17+16-15+…+2-1=______.
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20²-19²+18²-17²+16²-15²……+2&su
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找规律21,16,19,24,( )()15,20.
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11,15,14,19,16,20,__(填个数1-20)
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11 12 13 14 15 16 17 18 19 20
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(9 12)(12 16)(14 21)(24 32)(15 35)(28 49) (19 16)(15 3)(20 1