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jamarstand
23.08.2021 •
Mathematics
A teacher has 15 students in his class, 8 girls and 7 boys. He wants to seat them in three rows of five, but knows that if any row has two girls or two boys sitting next to each other, they will talk and won't pay attention. How many seating arrangements can he make that avoid this
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Ответ:
x=3,−4,6
Step-by-step explanation: