1x2x3x4x5x6x7x8x9x10
=1×2×5×10×4×8×6×3×9×7
=100×2²×2³×2×3×3×3²×7
=100×2³×2³×3²×3²×7
=100×8×8×9×9×7
=6400×81×7
=3628800
1x2x3x4x5x6x7x8x9x10的简便运算
2个回答
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