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1、3.41.4= 7.827.2= 2.199.1= 10.10.89= 0.680.42= 8.15.1= 0.7280.24= 0.80.18= 0.890.25= 10.98= 0.0480.52= 5400= 19.9+11.1= 1871000= 1+3.89= 0.08110= 7510= 0.960.8= 0.87 1.57 1.328 0.78 10.32 50.6 0.90.3 3.50.2 2.010 100.05 0.137 0.21100 0.74 0.054 40.3 12.58 2.34 3.250 0.450 300.1 2.63 4.12 0.350.2 7.50
2、.1 10.08 3.50.01 1.250.25 09.8 3.90.39 4.85.2 8+2-8+2 25*4/25*4 7.26-(5.26-1.5) 286+198 314-202 526+301 223-99 6.25+3.85-2.125+3.875 9-2456*21 0.5/11.5-4*2.75 1/23/5 3.375+5.75+2.25+6.625 100010008 85+14.5 1*4.3+5.7*2.1 301/3 10*45-328 2/312 2.8*3+6/8 3/55/6 (50-12.5)/2.5 2/51/3 10*47+639 1/2-1/6 3.
3、5*2.7-52.2/18 1/71/5 3.375*0.97+0.97*6.625 254/5 6.54+2.4+3.46+0.6 5/6-1/2 95.6*1.8+95.6*8.2 1/21/5 600-420/12 345/3-4*0.25 16/2+30/2+90/6 3001-1998. 5000-105*34 0.15/0.25+0.75*1.2 (1/2+1/3+1/4)*0.24 (25+4)*4 300-4263/21 0.81/0.25+5.96 4031327 1.54.20.750.25 3.274 +3.275.7 （1.2+ 1.8）40.25800.450.9 1
4、02576832 0.25*2.69*4 2348+275*16 2/9*15/8-1/12*9/5 2.4+2.4*(5.375-3.375) 645-45*12 0.15+1.2/0.24-0.45 3.75-(2.35+0.25/1.25) 76*1/4+23*25/100+0.25 10-2.87-7.13 0.96+9.6*9.97.5-5.7*1/3 12.37-3.25-6.75 16*6.8+2.2*16+16 40*19+284 58.7-165/30.4*4.7*2.5+(2.3+5.3) 9.31-1.125-7.875 640+12*25 8*1.6-3.2/4400*
5、(0.62+0.08) 25 +15 47 -27 58 +18 19 +29 16 +16 23 -13 910 +110 712 -512 255 -105 10-2.5 13 +23 47 -27 16 +56 910 -310 29 +49 18 +18 +38 1- 29 -49 1211 -111 47 +47 1-89 12 +15 +12 7619 1-0.001 15626 3.60.2 36045 8016 1.3-0.7 0.49+0.16 2.60.4 550.001 550.001 240030 25 -15 34 +14 29 +59 12 +12 58 -38 5
6、6 -16 13-0.56 14 -1.5 910 -410 0.79+0.7999 15+15 0.89101-0.89 1.1-2.727 573-（273+169） 12.411-12.4= 50.25= 0.840.4= 0.2516= 2.540= 700-699.9= 620200= 7816= 9001-8006= 14412=158+262+138 375+219+381+225 50012471021232 （181+2564）+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270
7、)+1017 99+999+9999+99999 7755(2187+755) 2214+638+286 30657381065 899+344 2357183317357 23651086214 497299 2370+1995 3999+498 1883398 1225 7524 138254 (13125)(38) (12+24+80)50 70425 2532125 32(25+125) 88125 10276 5898 178101178 8436+6484 7599+275 83102832 98199 123181233+85123 50(344)36.40.2+3.60.2 6
8、.258 （1.5+0.25）4 2.140.9 2.870.7 1.20.4+1.30.4 7.20.3+2.80.3 4.93.5 4.23.5 0.754 2.42.5 0.3612 8.82.2 7.52.54 0.651.02 3.9+2.03 1.233 3.21.6 0.050.8 5000.01 64.3216 2.560.37 3.5+3.53 0.99+1.8 161.6 （1.25+0.36）0.2 1.50.4 72.80.8 0.90.01 5.42.51.4 1.250.80.5 1.7+0.43+3.3 120.3 5.61.01 990.35 70.25 4.20.1 1 26.23.8 0.10.02 3.5+7.6 6.3+3.7 250.8 71.94.1 129.9 1428 1.69+1.6 31.4 51.02 2.35 232195
