口算.3×1×5=2×3×9=4×2+6=5×3=2=6×5×7=8×4×3=5+6×6=6×4+2=[100%]

口算.3×1×5=2×3×9=4×2+6=5×3=2=6×5×7=8×4×3=5+6×6=6×4+2=

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3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9...[99%]

3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9...[99%]

3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9...[99%]

3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9...[99%]

3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9...[99%]

3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9...[99%]

3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9...[99%]

3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9...[99%]

3456,9,8,1,2A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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3456,9,8,12A.2,3654,1,8,9B.8,356,2,1,4,9C.9,...[99%]

3456,9,8,12A.2,3654,1,8,9B.8,356,2,1,4,9C.9,2,5634,8,1D.4,1,2,6,8,5,9,3

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