Page 68 - Demo

?)fib !# + 1I ƒ' )# -&: i!W (ffeff + 1I  8 WZh− Y h † - ]hY− Y hY †3]H2 :(2 %&' a|E (  (+ )fis %* Te. WX:.6 *flE fl! *fl8 qfflP− !9yO Z y&< ~ :(I ]− Ž!? †fflJI (  (+ +:I: c U!fi: (  -(+ U  8fl w:+:I: c U!fi: !fis (  -(+  1.  fflfl Uz 8fl w WeR°~ R°P− R°€− R°Z R°]− † - ]R°Z~ R°Z~− R°[− R°] R°P− †3]R°]− R°[− R°]− R°− R° † Q ]%#46~ .D + !: @X P− + A2?'s + 7.  72   F١٣-١ اعداد الموجبة واعداد السالبةflI + :U. + Xv |vI + :U/ + Xv !T. †− (mM H?/fiU/ + 0W !ff 'ˆ 4\pH q *2 p)m Oq ffi69 .D ,+ 1I ƒ' )#* + 1I i.A !|fi )z U/ 0W U. ZY− Y ZY+ 1I . + 1I / J8E- kS  fl­«ćĺŸ¤Ÿ©ċįľÊ6 8E? *ffl 8E? Z−Ze  ? i# :-X E)ffl t baM°Y