Решите пожайлуста !!?!!!!!

Question

Решите пожайлуста !!?!!!!!

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Answer 1

14*1/49-23/7=2/7-23/7=-21/7=-3

Answer 2

14×1/49=14/49 23×1/7=23/7 14/49-23/7=14-161/49=-147/49=-3