Tính:
\(P=\frac{\left(81,624;4,8-4,505\right)^2+125.0,75}{\left\{\left[\left(0,44\right)^2:0,88+3,53\right]^2-\left(2,75\right)^2\right\}:0,52}\)
K
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KN
18 tháng 8 2020
\(\frac{\left(81,624:4\frac{4}{3}-4,505\right)+125\frac{3}{4}}{\left[\left(\left(\frac{11}{25}\right)^2:0,08+3,53\right)^2-\left(2,75\right)^2\right]:\frac{13}{25}}\)
\(=\frac{\left(\frac{10203}{125}.\frac{3}{16}-\frac{901}{200}\right)+\frac{503}{4}}{\left[\left(\frac{121}{625}.\frac{25}{2}+\frac{353}{100}\right)^2-\frac{121}{16}\right].\frac{25}{13}}\)
\(=\frac{\left(15,3045-\frac{901}{200}\right)+\frac{503}{4}}{\left(\frac{14161}{400}-\frac{121}{16}\right).\frac{25}{13}}\)
\(=\frac{136,5495}{\frac{696}{13}}\)
\(=2,550493534\)
Giải:
\(P=\frac{\left(17,005-4,505\right)^2+93,75}{\left[\left(0,1936:0,88+3,53\right)^2-7,5625\right]:0,52}\)
\(=\frac{\left(12,5\right)^2+93,75}{\left[\left(0,22+3,53\right)^2-7,5625\right]:0,52}\)
\(=\frac{156,25+93,75}{\left[\left(3,75\right)^2-7,5625\right]:0,52}\)
\(=\frac{250}{\left(14,0625-7,5625\right):0,52}\)
\(=\frac{250}{6,5:0,52}\)
\(=\frac{250}{12,5}\)
\(=20\)
\(=\frac{\left(12,5\right)^2+93,75}{\left[\left(0,22+3,53\right)^2-7,5625\right]:0,52}\)
\(=\frac{156,25+93,75}{\left[\left(3,75\right)^2-7,5625\right]:0,52}\)
\(=\frac{250}{\left(14,0625-7,5625\right):0,52}\)
\(=\frac{250}{6,5:0,52}\)\(=\frac{250}{12,5}=20\)