(6/35-4/7)-(-1,8-4,3)-5,7=???

Вопрос от посетителя:

(6/35-4/7)-(-1,8-4,3)-5,7=???

Илюха отвечает:

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1) frac{6}{35}-frac{4}{7}=frac{6-20}{35}=frac{-14}{35}=-frac{2}{5}=-0,4″ title=”(frac{6}{35}-frac{4}{7})-(-1,8-4,3)-5,7=0″ title=”frac{6}{35}-frac{4}{7}=frac{6-20}{35}=frac{-14}{35}=-frac{2}{5}=-0,4″ title=”(frac{6}{35}-frac{4}{7})-(-1,8-4,3)-5,7=0″ alt=”frac{6}{35}-frac{4}{7}=frac{6-20}{35}=frac{-14}{35}=-frac{2}{5}=-0,4″ title=”(frac{6}{35}-frac{4}{7})-(-1,8-4,3)-5,7=0″ />

1) frac{6}{35}-frac{4}{7}=frac{6-20}{35}=frac{-14}{35}=-frac{2}{5}=-0,4″ alt=”(frac{6}{35}-frac{4}{7})-(-1,8-4,3)-5,7=0″ title=”frac{6}{35}-frac{4}{7}=frac{6-20}{35}=frac{-14}{35}=-frac{2}{5}=-0,4″ alt=”(frac{6}{35}-frac{4}{7})-(-1,8-4,3)-5,7=0″ alt=”frac{6}{35}-frac{4}{7}=frac{6-20}{35}=frac{-14}{35}=-frac{2}{5}=-0,4″ alt=”(frac{6}{35}-frac{4}{7})-(-1,8-4,3)-5,7=0″ />

1) [tex]frac{6}{35}-frac{4}{7}=frac{6-20}{35}=frac{-14}{35}=-frac{2}{5}=-0,4″ />

2) -1,8-4,3=-(1,8+4,3)=-6,1

3) -0,4-(-6,1)=-0,4+6,1=6,1-0,4=5,7

4) 5,7-5,7=0