(11×10×9×···×2×1)÷﹙22×24×25×27﹚=?急,急,急,急,
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(11×10×9×···×2×1)÷﹙22×24×25×27﹚=?急,急,急,急,
(11×10×9×···×2×1)÷﹙22×24×25×27﹚=?
急,急,急,急,
(11×10×9×···×2×1)÷﹙22×24×25×27﹚=?急,急,急,急,
22=2x11
24=4x6
25=5x5
27=3x9
10=2x5
所以变成(11x2x5x9x8x7x6x5x4x3x2x1)/(2x11x4x6x5x5x3x9)=8x7x2=112
(11×10×9×···×2×1)÷﹙22×24×25×27﹚=?
(11×10×9×···×2×1)÷﹙22×24×25×27﹚=?急,急,急,急,
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