Can you find the numbers A, B, C and D so that the following calculation is proved?
A B C D x 4 = D C B A
A B C D
Can you find the numbers A, B, C and D so that the following calculation is proved?
A B C D x 4 = D C B A
Can you find the numbers A, B, C and D so that the following calculation is proved?
A B C D x 4 = D C B A