1)[latex] \frac{5}{12} 2 \frac{2}{3} -7 \frac{2}{3} (- \frac{1}{6} )=[/latex] 2)[latex]-1 \frac{3}{7} 4 \frac{2}{3} +1 \frac{7}{9} (- \frac{4}{3} )[/latex]

Question

1)[latex] \frac{5}{12} 2 \frac{2}{3} -7 \frac{2}{3} (- \frac{1}{6} )=[/latex] 2)[latex]-1 \frac{3}{7} 4 \frac{2}{3} +1 \frac{7}{9} (- \frac{4}{3} )[/latex]

1)[latex] \frac{5}{12} *2 \frac{2}{3} -7 \frac{2}{3} *(- \frac{1}{6} )=[/latex] 2)[latex]-1 \frac{3}{7} *4 \frac{2}{3} +1 \frac{7}{9} *(- \frac{4}{3} )[/latex]

Гость

Ответ(ы) на вопрос:

Accepted Answer

1) 5/12·2²/₃-7²/₃·(-1/6)=5/12·8/3-23/3·(1/6)=(5·8)/(12·3)+8/(3·6)= =10/9+4/9=(10+4)/9=14/9=1⁵/₉; 2) -1³/₇·4²/₃+1⁷/₉·(-4/3)=-10/7·14/3+16/9·(-4/3)=-(14·10)/(7·3)-(16·4)/(9·3)= =-20/3-64/27=(-180-64)27=-244/27=-9¹/₂₇;