6/1=6 你确定这题你没出错吗?
6/1+12/1+20/1+30/1+42/1+56/1+72/1=?
2个回答
相关问题
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1/6+1/12+1/20+1/30+1/42+1/56+1/72
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1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90
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1／2 + 1／6 + 1／12 + 1／20 + 1／30+ 1／42 + 1／56 + 1／72＝
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1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72=?
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1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72=?
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1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90=?
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2\1-6\1-12\1-20\1-30\1-42\1-56\1-72\1-90\1
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1/2+1/6+1/12+1/20+1/30+1/42+1/56+1/72+1/90=
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2/1＋6/1＋12/1＋20/1＋30/1＋42/1＋56/1＋72/1＋90/1
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1/12+1/20+1/30+1/42+1/56+1/72+1/90=?