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1x2x3x4x5x6x7x8x9x10的简便运算1x2x3x4x5x6x7x8x9x10=(1X2X5X10)X(6X9)X(7X8)X(3X4)=100X(54X56)X12=100X3024X(10+2)=3024000+604800=3628800

题目详情
1x2x3x4x5x6x7x8x9x10的简便运算
1x2x3x4x5x6x7x8x9x10
=(1X2X5X10)X(6X9)X(7X8)X(3X4)
=100X(54X56)X12
=100X3024X(10+2)
=3024000+604800
=3628800
▼优质解答
答案和解析
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