[tex=7.143x1.357]Dn2OrO+ug6Ha60F4fYPHvg==[/tex]

[tex=7.143x1.357]5YOe7r6oTucK/XddOhmUaC7kSzhAKZK0Ef7kVnBAOJ50nYUkxKWqhAN1W5g860kg[/tex]，[tex=4.786x1.357]s12SHnh2PtA/vLKnDZ8XqOrxnhaye4wxZxpWliva26E=[/tex]。

求下列函数的拉普拉斯变换：[tex=7.143x1.357]0OcoE6RNEWsMrpYnttLog4DHp302G9O7uEOulYvh+pU=[/tex].

设[tex=7.143x1.357]QjmNfY8YX99WrClKfvZK3+A0Yk53aOobObt5S4MM2ys=[/tex]，求[tex=1.071x1.214]qKpp+4ZvzwXxqenZg/YTeQ==[/tex].

求[tex=1.571x1.0]RNtI0NKH2g6KEN9fOQQ9yA==[/tex], 设 :[tex=7.143x1.357]DU0bLPdOPiMmXCpkhys/xeR4QcJ5I/J2Q9a2RDMsI6U=[/tex].

求下列函数的定义域：[tex=7.143x1.357]xuUftlpEqAK/TQ5ld2iLY22nBQLovHERr9TpnzN5PyI=[/tex]；[br][/br]

求下列集合的基数.[p=align:center][tex=7.143x1.357]fSs+0ueYSF2NGxqlxqYOVtrEK72s200N1Ricevd6TBw=[/tex].

试确定下列周期序列的周期及DFS系数。[tex=7.143x1.357]C/6VcvVtCThMFuK4dPMn8MSClEt3QokC3O7khnce+6A=[/tex]

设[tex=10.357x1.357]J964IokL5SDFt8lnZsB3RYH8gFKP+3uzXLryvHqbj10=[/tex]与[tex=7.143x1.357]UkR8nv8X52Bued420lKra01R523SVpBkeqpk61s6bA4=[/tex]是,试求：[tex=9.714x2.929]nPuASl7a283rpZDFzNL4DMnOt3kRbrNDyie8u9xuLFceam4yfvoxoFCX56ZF4v0h8boNrYlubj3VRbK7ArZVwQ==[/tex]

已知[tex=15.286x1.357]pYoo4xR8TCc/syFaQqV2tzV2lWwZ8qkC6HyRGWvPKrc0+11+xf5D8utXWSvEPHii[/tex]，当[tex=9.214x1.214]GX9t8oO1UOwzpbj17MS6peI31p3nLsQG8BiZK9NcGFw=[/tex], 求[tex=7.143x1.357]JfRo9jxd2UPcAnGiQT/zg0UGcqMWR1wMeJf5UNSK9ji+bkSUXEwlNeobXtMXbiYD[/tex]。