The first column has six numbers, the second column has seven numbers, the third column has two numbers, the fourth column has four numbers, and the fifth column has three numbers. How many combinations can there be First column second column third column fourth column fifth column 1 1 1 1 1 2 2 2 2 2 3 3 3 3 4 4 4 5 5 6 6 seven How many of them are combined into 1111167243? Who knows

The first column has six numbers, the second column has seven numbers, the third column has two numbers, the fourth column has four numbers, and the fifth column has three numbers. How many combinations can there be First column second column third column fourth column fifth column 1 1 1 1 1 2 2 2 2 2 3 3 3 3 4 4 4 5 5 6 6 seven How many of them are combined into 1111167243? Who knows


6*7*2*4*3=1008
The most basic permutation and combination problem