calcule:
a) (3/10)+(1/10)=
b) (10/11)-(5/11)=
c) (3/4):(6/5)=
d) 3x2/6=
Soluções para a tarefa
Respondido por
4
a)
![\frac{3}{10} + \frac{1}{10} = \frac{4}{10} = \frac{2}{5} \frac{3}{10} + \frac{1}{10} = \frac{4}{10} = \frac{2}{5}](https://tex.z-dn.net/?f=+%5Cfrac%7B3%7D%7B10%7D+%2B+%5Cfrac%7B1%7D%7B10%7D+%3D+%5Cfrac%7B4%7D%7B10%7D+%3D+%5Cfrac%7B2%7D%7B5%7D+)
b)
![\frac{10}{11} - \frac{5}{11} = \frac{5}{11} \frac{10}{11} - \frac{5}{11} = \frac{5}{11}](https://tex.z-dn.net/?f=+%5Cfrac%7B10%7D%7B11%7D+-+%5Cfrac%7B5%7D%7B11%7D+%3D+%5Cfrac%7B5%7D%7B11%7D+)
c)
![\frac{3}{4} \div \frac{6}{5}= \frac{3}{4} \times \frac{5}{6} = \frac{15}{24} = \frac{5}{8} \frac{3}{4} \div \frac{6}{5}= \frac{3}{4} \times \frac{5}{6} = \frac{15}{24} = \frac{5}{8}](https://tex.z-dn.net/?f=+%5Cfrac%7B3%7D%7B4%7D+%5Cdiv+%5Cfrac%7B6%7D%7B5%7D%3D+%5Cfrac%7B3%7D%7B4%7D++%5Ctimes+%5Cfrac%7B5%7D%7B6%7D+%3D+%5Cfrac%7B15%7D%7B24%7D+%3D+%5Cfrac%7B5%7D%7B8%7D+)
d)
![3\times \frac{2}{6} = \frac{6}{6} =1 3\times \frac{2}{6} = \frac{6}{6} =1](https://tex.z-dn.net/?f=3%5Ctimes+%5Cfrac%7B2%7D%7B6%7D+%3D+%5Cfrac%7B6%7D%7B6%7D+%3D1)
b)
c)
d)
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