7.выберите правильный вариант ответа . напишите предложения и переведите их на язык. 1.mathematical tools are used in economics a) briefly; b) extensively; c) finally. 2. like english grammar economics has a a) rules; b) graphs; c) lines. 3. economics has some similarities to … because it studies people and their relations in social groups. a) chemistry b) history c) geography 4. like chemistry economics uses … a) the scientific methods b) simple rules c) logical thinking

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