9:125,6\rD E ) . ( 7 )*( 40\r1+25%=125%\r1+10%=110%\r110%+125%=88%\r27-1\n# ;<<=>?.\rA :168+7+3\r=24+3\r28-1\n=8 B "# CDEFG?H8BI.\r* %4x4=16 CJK!"\r9/96+16=54L "\r29-M\n# NO54L.\r¡ 1 3 ¢ ( 1 4 ¢.\r :1S=1000UJV!,\r3.14x (1.2^2 )2 x20x50\r=3.14x0.36x20x50\r=1.1304x20x50\r=1130.4 ( )\r1130.4\ ] ^ 1000_ V ! ,\r30-1.# 50`E R c\r* defg4hijklmnopqrs3.5V ! tfuvwixy4znopqrs3V ! {\r35^P1P =105000|V!"=1050|!"\r30000\r3^}1} = 9 0 0 0 0 * "=900|!"\r5UWv\r3 1 T\n# fJ* djklmnfqs105xy4znfq900!.\r :1+6=7\r: 420x 1 = 60(g)\rc 420* = 360(g)\r32-1\n# *% I860 tc36058.\r :20000^ 20000xlx3.5%x (1-20%)\r=20000 + 20000 x 0.035 x 0.8\r=20000+560\r=20560 ( )\r33-1\n 1s20560.\r¡ 1 4 ¢ ( 1 4 ¢