3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[100%]

3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[100%]

3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[100%]

3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[100%]

3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[100%]

3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[100%]

3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[100%]

3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9...[100%]

3,4,5,6,9,8,1,2A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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2=1×22+4=2×32+4+6=3×42+4+6+8=4×52+4+6+8+10=5×62+4+6+8+10+12=..[99%]

2=1×22+4=2×32+4+6=3×42+4+6+8=4×52+4+6+8+10=5×62+4+6+8+10+12=6×7观察上面的算式,你发现规律了吗?不用计算,请完成下列两道算式.2+4+6+8+10+12+14+16+18+20=______2+4+6+...

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3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,...[99%]

3,4,5,6,9,8,12A.2,3,6,5,4,1,8,9B.8,3,5,6,2,1,4,9C.9,2,5,6,3,48,1D.4,1,2,68,5,9,3

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