Pergunta
![Segunda bateria
1) (4)/(5)cdot (3+0,4)-3,21=
2) (4)/(3)+(7)/(5)cdot ((1)/(2)+(4)/(9))-(1)/(5)=
3) (frac (4)/(5)cdot ((7)/(3)-1))((2)/(9)-3)=
4) 4+2cdot [32-(1)/(4)cdot ((2)/(3)-(1)/(8))+2]+16+1=
5) 3cdot -1+12cdot [-13+4cdot (1-(1)/(3))-1]-1=
6)
[((1)/(2)cdot (1)/(3))+(4)/(6)]=
7) [(1+(1)/(2))^2-2]=
8) (1)/(5)+ [(4)/(9)div ((1)/(2)cdot (2)/(4)-(1)/(9))]=
9) ((2)/(5)cdot (5)/(3))div (2)/(3)=
10) (4-(4)/(5))div (9+(1)/(3))=](https://static.questionai.br.com/resource%2Fqaiseoimg%2F202412%2Fsegunda-bateria1-45cdot-3043212-4375cdot-1249153-frac-t67whdfaxf02.jpg?x-oss-process=image/resize,w_558,h_500/quality,q_35/format,webp)
Segunda bateria 1) (4)/(5)cdot (3+0,4)-3,21= 2) (4)/(3)+(7)/(5)cdot ((1)/(2)+(4)/(9))-(1)/(5)= 3) (frac (4)/(5)cdot ((7)/(3)-1))((2)/(9)-3)= 4) 4+2cdot [32-(1)/(4)cdot ((2)/(3)-(1)/(8))+2]+16+1= 5) 3cdot -1+12cdot [-13+4cdot (1-(1)/(3))-1]-1= 6) [((1)/(2)cdot (1)/(3))+(4)/(6)]= 7) [(1+(1)/(2))^2-2]= 8) (1)/(5)+ [(4)/(9)div ((1)/(2)cdot (2)/(4)-(1)/(9))]= 9) ((2)/(5)cdot (5)/(3))div (2)/(3)= 10) (4-(4)/(5))div (9+(1)/(3))=
Solução
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MarianaEspecialista · Tutor por 3 anos
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1) $\frac {4}{5}\cdot (3+0,4)-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21= \frac {4}{5}\cdot 3,4-3,21=
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