(-1/2)^2 : ( 1 và 5/16 - 1,5 ) + 2008^0
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\(=\dfrac{5}{4}\cdot\dfrac{1}{4}:\left(\dfrac{21}{16}-\dfrac{24}{16}\right)+1=\dfrac{5}{16}\cdot\dfrac{16}{-3}+1=\dfrac{-5}{3}+1=-\dfrac{2}{3}\)
\(\left(-\dfrac{1}{2}\right)^2:\left(1\dfrac{5}{16}-1,5\right)+2021^0\)
\(=\dfrac{1}{4}:\left(\dfrac{21}{16}-\dfrac{24}{16}\right)+1\)
\(=\dfrac{1}{4}:\left(-\dfrac{3}{16}\right)+1\)
\(=-\dfrac{4}{3}+\dfrac{3}{3}\)
\(=-\dfrac{1}{3}\)
\(125\%\cdot\left(-\dfrac{1}{2}\right)^2:\left(1\dfrac{5}{16}-1,5\right)+2018^0\)
\(=\dfrac{5}{4}\cdot\dfrac{1}{4}:\left(\dfrac{21}{16}-\dfrac{3}{2}\right)+1\)
\(=\dfrac{5}{16}:\left(-\dfrac{3}{16}\right)+1\)
\(=\dfrac{5}{16}\cdot\left(-\dfrac{16}{3}\right)+1\)
\(=-\dfrac{5}{3}+1\)
\(=-\dfrac{5}{3}+\dfrac{3}{3}\)
\(=-\dfrac{2}{3}\)
`125%*( (-1)/2 )^2 :(1 5/16 -1,5 )+2018^0`
`=1,25 * 1/4 :(21/16-3/2)+1`
`=1,25*1/4:(21/16-24/16)+1`
`=1,25*1/4:(-3)/16+1`
`=5/16*16/(-3)+1`
`=-5/3+1`
`=-5/3+3/3`
`=-2/3`
\(125\%\cdot\left(\frac{-1}{2}\right)^2:\left(21-1,5\right)+2008^0\)
\(=\frac{5}{4}\cdot\frac{1}{4}:\left(21-\frac{3}{2}\right)+1\)
\(=\frac{5}{16}:\frac{39}{2}+1\)
\(=\frac{5}{312}+1\)
\(=\frac{317}{312}\)
`Answer:`
\(125\%.\left(-\frac{1}{2}\right)^2:\left(1\frac{5}{16}-1,5\right)+2008^0\)
\(=\frac{5}{4}.\frac{1}{4}:\left(\frac{21}{16}-\frac{3}{2}\right)+1\)
\(=\frac{5}{4}.\frac{1}{4}:\left(\frac{21}{16}-\frac{24}{16}\right)+1\)
\(=\frac{5}{16}:-\frac{3}{16}+1\)
\(=-\frac{5}{3}+1\)
\(=-\frac{2}{3}\)
nhanh giúp mình
\(=\dfrac{1}{4}:\left(\dfrac{21}{16}-\dfrac{3}{2}\right)+1=\dfrac{1}{4}:\dfrac{21-24}{16}+1=\dfrac{4}{-3}+1=-\dfrac{4}{3}+1=-\dfrac{1}{3}\)