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GAREA-271 - find the number of ways 9 people can be arranged in a row, imply the factorial 9 people can be arranged in a row, imply them factorial of 9, which is 9<8>,4, through factorial ie.< factorial, there are 9 ways to pick first,9 *times;multiply 8 ways to pick second ,etc. Conclude with"the total number of arrangements is nine factorial"** 9 factorialow to find the number of ways 8 people can be arranged in a row, imply the factorial of 8 people can be arranged in a row, imply them factorial of 8, which is 8<7>,3, through factorial ie.< factorial, there are 8 ways to pick first, 8 *times;multiply 7 ways to pick second, etc. Conclude with"the total number of arrangements is eight factorial" first*8 factorial*** find the number of ways 6 people can be arranged in a row, imply the factorial of 6 people can be arranged in a row, imply them factorial of 6, which is 6<5>,2, through factorial ie.< factorial, there are 6 ways to pick first, 6 *times;multiply 5 ways to pick second, etc. Conclude with"the total number of arrangements is six factorial" first*** factorial*** find the number of ways 3 people can be arranged in a row, imply the factorial of 3 people can be arranged in a row, imply them factorial of 3, which is 3<2>,1, through factorial ie.< factorial, there are 3 ways to pick first, 3 *times;multiply 2 ways to pick second, etc. Conclude with"the total number of arrangements is three factorial" first*** factorial*** find the number of ways 1 people can be arranged in a row, imply the factorial of 1 people can be arranged in a row, imply them factorial of 1, which is 1<0>,0, through factorial ie.< factorial, there are 1 ways to pick first, 1 *times;multiply 0 ways to pick second, etc. Conclude with"the total number of arrangements is one factorial" first*** factorial*** find the number of ways 0 people can be arranged in a row, imply the factorial of 0 people can be arranged in a row, imply them factorial of 0, which is 0<-1>,0, through factorial ie.< factorial, there are 0 ways to pick first, 0 *times;multiply -1 ways to pick second, etc. Conclude with"the total number of arrangements is zero factorial" first*** factorial*** find the number of ways 10 people can be arranged in a row, imply the factorial of 10 people can be arranged in a row, imply them factorial of 10, which is 10<9>,4, through factorial ie.< factorial, there are 10 ways to pick first, 10 *times;multiply 9 ways to pick second, etc. Conclude with"the total number of arrangements is ten factorial" first*** factorial*** find the number of ways 11 people can be arranged in a row, imply the factorial of 11 people can be arranged in a row, imply them factorial of 11, which is 11<10>,5, through factorial ie.< factorial, there are 11 ways to pick first, 11 *times;multiply 10 ways to pick second, etc. Conclude with"the total number of arrangements is eleven factorial" first*** factorial*** find the number of ways 12 people can be arranged in a row, imply the factorial of 12 people can be arranged in a row, imply them factorial of 12, which is 12<11>,6, through factorial ie.< factorial, there are 12 ways to pick first, 12 *times;multiply 11 ways to pick second, etc. Conclude with"#
2014年8月8日
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