(1/10×1/9×1/8×…×1/2×1)^10 ×(10×9×8×7×…×3×2×1)^10
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/08 00:45:53
(1/10×1/9×1/8×…×1/2×1)^10 ×(10×9×8×7×…×3×2×1)^10
(1/10×1/9×1/8×…×1/2×1)^10 ×(10×9×8×7×…×3×2×1)^10
(1/10×1/9×1/8×…×1/2×1)^10 ×(10×9×8×7×…×3×2×1)^10
=(1/10*10*1/9*9*……1*1)^10
=(1*1*1...)^10
=1^10
=1
答案是一
=(1/10)^10*10^10*(1/9)^10*9^10*....*(1/1)^10*1^10=1*1....*1=1