Автор - zhenyonov

помогите решить срочно​

Ответ

Автор - ReCore

Ответ:

(frac{6}{5} -frac{3}{4})* frac{2}{3} = \1. frac{24}{20} - frac{15}{20} = frac{9}{20} \2. frac{9}{20} * frac{2}{3} = frac{3}{10} = 0,3

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frac{5,6*0,3}{0,8} = 2,1

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-2(5-3x)=7x+3 \1. -10 +6x = 7x+3\2. 6x-7x = 3+10\3. -x = 13\ 4.x = -13

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