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Mathematics, 22.10.2019 22:00 kaciewelkerouwdfa

Iwant to take a picture of my six friends standing in two horizontal rows of three. how many different photos can i take if the tallest person must stand in the back row, the shortest person must stand in the front row, and two of my friends are identical twins whom i can't tell apart? (the identical twins are neither the tallest nor the shortest.)

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