10)+4\r=120+4\r=30\r50Ô330.\rJ24KL26KEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r0B.\r67.ÕÕÖ`Ç273'×ØÍÎ13,E¹`ÍÎ/ÙÚºxÛ13.7ÜÝÞß\r()\rA.273-13x=13B.13x=273-13C.13x=273D.13x+13=273\r40áÕÕE×ØÍÎxÙHÜÝ\r273-13x=13,13x=273-13,13x+13=273\r@AÜÝÞß13x=273C\r0C.\r68.P$âãäå´æ-çè7éêè5éÚëh-2$çèO1$êèì.íÀ\rçèîï´æé3()\r7799\rA.-B.-C.-D.P\r12151514\r40(7+2)+(7+5+2+1)\r=94-15\r9\r=15\r9\r50íÀçèîï´æé3\r15\r0C.\r69.wx@3.36+9.69]_3´3ðÎñò+z()\rA.({B.ó´ªôë100\rC.õbªôë10D.õbªôë100\r40z{ö÷øH\rÀ3.36+9.69wx@]_3´3ðÎñùú]_3õbµ100_3({ò\r+zûõbµ100Cüõbªôë100.\r0D.\r70.78aýÞß()\rA.3028000þ302sB.4580000=458s\rC.386500000n4 \r0@3028000=303\r4580000=458\r386500000g4 \r?25?26?EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rA.\r@A.\r?26?26?