1 =36,\r5\r1 x=36 ,\r5\r1 x+ 1 =36+ 1 .\r5 5 5\rx=60.\r27-1? Ku`v60 .\r3.14x8=25.12® * \r0.5w=500xw\r3.14X8+22X15=753.62L^ ® * \r753.651E4 *53.6Mw\r753.6>500\r2 8 -1 .? K+ypz{|.\r29-142}~\r< : ?nv:100x 3 =40 P}~,\r2+3\r?n v:100 - 40=60 P}~\r
?vK4.4x100=440 P \r1}~?}~4X?lx ? = ? P} ~ \r4 4\r4x?vK440+ 1 X40+60 =4 \r4\r?vK4 * .= 5 P \r3 0 -1 ,? K?v5 4?v4\rB v"14\?\r9x4=36\r2\ ¡\r36+20=56¢\r£
¤¥K9x4+20=56\r31-1? K\5¦ .\r 1 1 # 1 2 .\r2 6 0 -1 + ,| \r60+12\r5\r= 100}~\r100 =40}~\r32-1? K§\40}~.\rQ : 5000?-\rL -= 250W\rr^19\r5000-250=4750w\r33-1& K1 E t2 5 pm , ¨©ª4750H.\r 1 2 # 1 2