2?48125\r3?95%\r4?16\r5?25/514\r6?96\r718.841228.26\r8?4:1\r9?601/60\r10?40\r11?4\r12?80°60°40°34\r5?%&'()*+\rVxXxA/XVVVX\r,?-./.\rCCAEvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r6?78\r1\n=mno3\r7.50.47251/9\r2/150.25315/163.2\r2\n|5}3\rx=l/4x=20x=0.625\r3\nW\r??,WW3\r45413332\r`x?+?X?--?x?+?x\r969636'18188585\r=4/9x1=1-7/10-5/18=3/8(3/5+275)\r=4/9=3/10-5/18=3/8\r=1/45\r3-2x122\r2217\r=12/5x19/12+0.2=3-(5/7+277)\r=3.8+0.2=3-1\r=4\r4\nXW3\rA(4-1/4)x3/5=2.25\r(2)18x20%+0.35=3.95\rC4/9x45%-l/7=2/35\rD?EFGH\r1\n18x(1-8/9)=2(Ñ)\r2\n8804-(1+10)=800(N)\r3\n96128160\r4\n(1-1/3)+(1/60+1/40)=16(Ü)EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\rçêô400-i-1+60%=250`N?\rèêô400-250=150`N?\r5\nçêô400-r1+60%=250`N?\rèêô400-250=150`N?\r6\n45xl+20%+l/4=216ñ?