2p WWfflIWaaMEttftL\r1 2\n0 1 4\n.\r" #+,-./0123?4.\r2\rIS 104\rL6x=2xl0.4\r1.6x=20.8\rL6x+L6=20.8+L6\rx=13\r41-3p5 #,-./0623137\r1?8\r42-1p 2?45\r42-2p 1?\r3 - 5 = 8 = 35= 0 6= 60&\r43-K\r" :1800+4*3\r=450x3\r=1350:\r44-1 5 #;<=>?135O5L\r45-1 > 1?1 : 10000\r45-2 >\r1?@\r2?A\r3?40°\r45-3 > 4?300\r" #B C D E F IG.\r2.8 : 20=4.2 : x\rx=30\r46-K 5 #HI3J E K L M\r1 3\n0 1 4\n.\rN : 1000+2*4=2000(O)\r47-k 5 # QRS??0TUVW32000%\r47-2 >\r":+XYZ[\]SSx2L\r020x=025x32\rx=8+020\rx=40\r48-K 5:XYZ[\^_40`.\r" #+,abcTUdefSghij\r(60-10) x=60xl2\r50x=60xl2\r50X-720\r50x^50=720+50\rx=14.4\r49 1p5:,abcTUd144JkSghi.\r1 4\n0 1 4\n
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