Question

34*57+43*34-3600/(145*3+125)=???

Answer 1

$frac{34*57+43*34-3600}{145*3+125} = frac{34(57+43)-3600}{145*3+125} = frac{3400-3600}{145*3+125} =frac{-200}{5(29*3 + 25)} =frac{-40}{87 + 25} = frac{-40}{112}=frac{-8 *5}{112} = - frac{5}{14}$