1$\frac{13}{15}$. (0.25)$^{2}$. 3+ ($\frac{8}{15}$-1$\frac{19}{60}$): 1$\frac{23}{24}$ 19/09/2021 Bởi Claire 1$\frac{13}{15}$. (0.25)$^{2}$. 3+ ($\frac{8}{15}$-1$\frac{19}{60}$): 1$\frac{23}{24}$
`1 13/15.(0,25)^2 .3+(8/15-1 19/60):1 23/24` `=28/15. (1/4)^2 .3+(8/15-79/60):47/24` `=28/15 . 1/16 .3-47/60:47/24` `=7/20-2/5` `=-1/20` Bình luận
`1 13/15.(0,25)^2 .3+(8/15-1 19/60):1 23/24`
`=28/15. (1/4)^2 .3+(8/15-79/60):47/24`
`=28/15 . 1/16 .3-47/60:47/24`
`=7/20-2/5`
`=-1/20`
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