Question

(0.4-3/20*6 2/3-1.75:(-7 7/8)
ПОМОГИТЕ ПЖ СРОЧНО!!!!!!!!

Answer 1

$1) frac{3}{20} times frac{20}{3} = 1$
$2)0.4 - 1 = - 0.6$
$3) frac{175}{100} div ( - frac{63}{8} ) = frac{175}{100} times frac{8}{63} = \ frac{175 times 2}{25 times 63} = frac{350}{1575} = - 4.5$
$4) - 0.6 - ( - 4.5) = - 0.6 + 4.5 = \ 3.9$