*)\r2 8 -1 . V|?`116.18f\r- + 4 )\r= 2 + |\r=16fFW ? )\r29-1? V|¡¢£¤?¥¦§?¨©ª«¬¬|a16mf*\r V9 6 0 x 4 =5604\\r_ , : 960x A =4004^\rJUT? 12\r® V¯2V\r30- (0.92x15+0.80x15)\r=30- (13B+12)\r=30 - 25.8\r=4.2(°)\r30- (0.92+0.8) *15\r=30 - 1.72x15\r=30 - 25.8\r= 4 2 (°)\r31-1? V0±²4.2°\r® : 200+(3-2)=200(A)\r52?³V200?2=400();\r5 ? ³ V200x3=600(A);\r52???³
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?A:(3-1): 3=2 : 3\r(400+600)+2\r=1000+2\r=1500(A)\r32-1? V¹·2 º1500.\r 1 2 \r1 3 .\r3+3+2+1=9\r»»¼:20p1 X42=28 ° !\r½¾V2 0 * 4 = 2 6 .6 7 ° !\rb3 1 : 20p| X3.8,16.89 ° !\r¿ÀÁV20Â x2=4.44 ° !\r2 Ã :28+26.67+16.89+4.44\r=54.67+16.89+4.44\r=71.56+4.44\r=76° \r33-1? V?Ä???2Å76°\r 1 3 \r1 3