在Word中利用公式编辑器编辑以下公式:操作方法:“插入”菜单→“对象”命令→公式3.01.ndCosSinRH02223xx≥02.x-xx<03.)23lg(1xy4.12xey5.212limnnn6.13322lim22nnnn7.227812limxxxn8.uun11lim439.mmmmnnnnnbxbxbxbaxaxaxa11101110lim10.caxxaxdx2222ln11.caxarctgaaxaxI3222221)(212.225xxdx13.dxxxx14.dxxxx33215.dxxxx222)1(116.iniiabbaxxkfdxxkf)()(10lim17.babadxxfdxxxfx)()(18.nxnxuunnnnnn111limlim19.1)1(1nnn20.SrnU9038102359221.mnmnCyvtaC300sin22.maFvv2122