10÷9@.E6l6J6f;S0l1f(@=2/5=1F5B0{*m3b:f*L)r3j：（5）=2j/H)X2b+o5B0m4P5p（小数）= 2N5p6F7M)q2i6X+v8D0N%,v6y/_(b3l,S(m/R