30 31
22 31 33 34 35 41 32 28 29 26 23 25 27 31 36 37 24 30 31 29
1个回答
相关问题
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29 34 26 31 37 30 31 29 28 40 36 32 30 27 33 32 37 31 35 30
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40-39+38-37+36-35+34-33+32-31+30-29+28-27+26-25+24-23+22-21
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20*21*22*23*24*25*26*27*28*29*30*31*32*33*34*35*36*37*38*39*
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26 27 28 29 30 31 32 33 34 35
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25+26+27+28+29+30+31+32+33+34+35简算
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某某班21人跳绳次数入下19,23,26,29,28,3,2,34,35,41,33,31,25,27,31,36,37
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已知一个样本：27,23,25,27,29,31,27,30,32,28,31,28,26,27,2928,24,26,
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(31+34+37+41+43）-（25+27+29+31+33）的简便算法
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40一39十38一37十36一35+34一33+32一31+30一29+28一27十26一25+24一23+22一2|=
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23.24.25.26.27.28.29.30.31.横竖斜相同