Find the numbers for A, B, C, and D in the following sudoku., A=5, B=5, C=2, D=1, A=2, B=5, C=2, D=1, A=3, B=5, C=1, D=1, How many three –digits numbers can be formed with the digits 3, 5, 6, 9 if repetition are allowed?, 64, 16, 23, Look at the following picture and find the total number of routes from A to C., 6, 12, 5, Which one has a reflectional symmetry?, , , , Which shape has more than one line of symmetry? , , , .

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