a) \(510:17+6^2:4-3.2^2\)
\(=30+36:4-3.4\)
\(=30+9-12\)
\(=39-12=27\)
b) \(27+\left[\left(44+2-8\right):2\right]\)
\(=27+\left[\left(46-8\right):2\right]\)
\(=27+\left[38:2\right]\)
\(=27+19=46\)
c) \(174-2^2.\left(5^2-13\right)-40\)
\(=174-4\left(25-13\right)-40\)
\(=174-4.12-40\)
\(=174-48-40\)
\(=126-40=86\)
d) \(5^2\left\{8\left[12-4+8\left(4^2:8\right)\right]\right\}\)
\(=25\left\{8.\left[12-4+8\left(16:8\right)\right]\right\}\)
\(=25\left\{8.\left[8+8.2\right]\right\}\)
\(=25\left\{8.24\right\}\)
\(=25.192=4800\)
e) \(347.\left\{\left[6^3+184\right]:2^3.32\right\}\)
\(=347.\left\{\left[216+184\right]:8.32\right\}\)
\(=347.\left\{400:8.32\right\}\)
\(=247.1600=395200\)
Tính :
a)510:17+\(^{6^2}\):4-3.\(^{2^2}\)
=510:17+36:4-3.4
=30+9-12
=39-12
=27
b)27+[(44+2-8):2]
=27+[38:2]
=27+19
=46
c)174-\(^{2^2}\).(\(^{5^2}\)-13)-40
=174-4.(25-13)-40
=174-4.12-40
=174-48-40
=126-40
=86
d)\(^{5^2}\).{8.[12-4+8.(\(^{4^2}\):8)]}
=25.{8.[12-4+8.(16:8)]}
=25.{8.[12-4+8.2]}
=25.{8.32}
=25.256
=6400
e)347.{[(\(^{6^3}\)+184):\(^{2^3}\)].32}
=347.{[(216+184):8].32}
=347.{[400:8].32}
=347.{50.32}
=347.1600
=555200
Chúc bạn học tốt !
