\int \int \left(x\:+\:\sqrt{x^2\:+y^2}\right) dS
S là phần mặt nón z=\sqrt{x^2\:+\:y^2};\:0=
...
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Mathematics, 22.07.2021 14:00 jimissac68
\int \int \left(x\:+\:\sqrt{x^2\:+y^2}\right) dS
S là phần mặt nón z=\sqrt{x^2\:+\:y^2};\:0=
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