Question

-0,4а*12,5*(-0,7) если а=1 1/14

Answer 1

$-0,4a*12,5*(-0.7)\a=frac{11}{14} \\-frac{2*11}{5*14} *(-8,75)=-frac{22}{70}*(-frac{35}{4} )=-frac{11}{2}*(-frac{1}{2} )=frac{11}{4} =2.75$

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