1、6 3/8 3/8 6 4/7 5/9 + 3/7 5/9 5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 9 5/6 + 5/6 3/4 8/9 - 1/3 7 5/49 + 3/14 6 ( 1/2 + 2/3 ) 8 4/5 + 8 11/5 31 5/6 5/6 9/7 - ( 2/7 10/21 ) 5/9 18 14 2/7 4/5 25/16 + 2/3 3/4 14 8/7 5/6 12/15 17/32 3/4 9/24 3 2/9 + 1/3 5/7 3/25 + 3/7 3/14 2/3 + 1/6 1/5 2/3 + 5/6 9/22 +
2、1/11 1/2 5/3 11/5 + 4/3 45 2/3 + 1/3 15 7/19 + 12/19 5/6 1/4 + 3/4 2/3 8/7 21/16 + 1/2 3.21.5+2.5)1.6 6-1.647.20.8-1.25= 6-1.193-0.43= 6.5(4.8-1.24)= 5.8(3.87-0.13)+4.23.74 32.52-(6+9.7283.2)2.5 7.1-5.6)0.9-1.155.42.6(3.7-2.9)+0.62 (12-7.2)-6 7.2-6 0.681.9+0.321.9 58+370)420+580-642128 136+6(65-3452
3、3)15-10.750.4-5.7 18.1(30.2990.23)1 6+(1.5+2.5)0.15-10.75(7.1-5.6)0.9-1.15 89+456-78 5%+. 3/7 239495/7 6/2 -( 3/2 + 4/5 ) 8 + ( 1/8 + 1/9 ) 1/4 10 1.5 29 3.1 4/7 - ( 2/7 10/21 ) 19 5 4 7/32 3/4 2/31/21/42/5 26/139/262/3 2/91/24/53/8 105/91/64 1/22/59/109/20 7.91332.19= 8.675.8 1.33= 853-147-253= 542
4、3+7754= 42028= 1600(72065013)= 103-14147)7200254= (4020)= 42(9030)= 18(2410.51.53.5= 14578255= 12532= 65616436= 6.840.61.45.16= 54.252.147.86= 4.80.24.80.2= (14811137)9= 127885597 = 2.45+3.8+0.55= (2296+734436)2.4= 10.450.97/8 = 0.36(23.8)0.04= 683540824= 47.5(0.66.40.32)= 44.0844.085.8= 30917375)84
5、= 3.356.426.73.6= 3060152.51.04= 75 23 1415 19= 0.164(38 18 )= 37 195 (145 47 )= 35 (15 13 )29 = 35 35 6= (100000.161900)96= 38 89 ( 56 34 )= 168.1(4.32-0.4)= 30615 2080= 10091 13 = (10091)13= 7.732.30.50.8= 10254050(10019)(1.63+1.07= 498+987035= 420.5 - 2942.82.= 88215100= 540029402827= (20.20.47.8
6、8)4.2= 21.60.8(99293)0.01= 13.51.5(1.071.93)= 1498+106889= 4.21.5-0.36= 0.541.75+8.250.54= 78 67 -(121 +37 )= (80-9.8)0.6-2.1=30.814(9.851.07) 60(9.528.9)0.18 20(2.441.8)0.40.15 28-(3.4+1.252.4) 2.557.1+2.457.1 7779+11110.815.5-(3.21+5.79) (31.8+3.24)5 31.5(6+3) 0.64257.8+2.2 22.5+2.52 19464.81.80.9
7、 36.724.259.9 5180705242.42.50.8 (4121+2389)7 67115-974 7.9-(2+5) 46912+1492 405(3213-3189) 3.416(0.01635) (106.76)1.245.55(6.8215.55) 34.5217.8712.23 6.43-(1.4-0.57)23.758.643.46 17.839.57.830.5 5.38+88.2-2.38+1.827.385.342.624.66 21.63(8.59.63) 7.52.457.52.450.90.990.999 5.09(0.091.23) 9.36(4.363.
8、5)14+15+16+45+469999+9998+9997+9996 9999926+33333221917559678 36.51.48.513.7 1.33.799.76.21 0.412.5(80.80.08) 78 (25 38 )1.7150 3.98 17.625(4.458 ) 6.473.618.7-3.375-6.625 2.54.4 1.2532 (3.754.12.35)9.81.28+9.8+7.72+10.2 12 1120 +12 2049(15.6+9.744/2.4)*0.5 2.881/0.43-3.5*0.24 13.5*0.68/8.543.6-7.6*
9、4.1(86.9+667.6)/50.3(73.5+80.5)/(10+12)(7.8*15+5.1*10+6*5)/(15+10+5)12.53-1.35*2-9.318*(4-3.75)/0.16-1.3*(10-7.3) 0.182.8810.430.243.5 200.40.157.13 0.815.5-(3.21+5.79)(6+3) 220.99.960.8(480075+36)12= 517+190515-629 = 2712-354311452= 1+026+261=101-1(8888+254) 3.31-18.3470.5 0.25+0.251-2.50.18.81008.76-5.29-2.71+1.24 19999+999999997.7+3.30.8-0.8 40+1.25153.2 2+141721.6-0.819.9837-199.81.9+19980.82 80400-483216150 0.750.5+0.0450.1255.60.7 761.04+1.0425-1.04 (0.10.6+0.94)(-)21+ () 0.253212.524 ( 18
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