Gladistshiala267
17.12.2020 •
Mathematics
É URGENTE Ana está lendo um livro de 210 páginas. No primeiro dia, ela leu 2/7 do livro. No segundo dia, leu mais 3/5 do livro. Qual foi a quantidade total de páginas lidas por Ana nesses dois dias? A) 88. B) 150. C)186. D)210.
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Ответ:
answer:
-3.25
step-by-step explanation:
[ 3/4*-4] = -3
[-2/3*2] = -1.3
-3 x -1.3 = 3.9
[3/5]*-2 = -1.2
3.9 ÷ -1.2 = -3.25