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35.95÷（64-45） 36.178-145÷5×6+42

228．5/6+4/9+1/6 3/7+3/5+4/7 6/11+5/12+5/11 2/7+4/9+5/7+5/9

1/4+1/5+7/4+4/5

3/8+1/2+5/8 2

又

7/5-4/7-3/7

1

又

5/6-2/9-7/9 4/9-3/11-8/11 1/7+3/5+6/7

1/2-1/12-5/12 7/8+1/9-7/8 2/11+8/15+9/11+7/15 5/7+5/6+2/7

5/12+4/9+5/9+7/12

7/4-4/7-3/7 6/13+5/8+7/13 19/18-18/25-7/25 4/15+7/15+21+4/15 1-8/21-5/21

7/6-4/5-1/6-1/5 1/3+5/9+4/9 2/5+1/3+3/5

11

1/4+1/3+1/4+2/3

9/7+1/8+3/8+5/7

50-2/7-3/7

1/4+1/6+3/4

3

5/8-2/8-3/8 4/21+5/7+17/21+2/7 93-11/9-7/9

258、4.58-(2.58+1.5) 2.3÷0.25÷0.4 5.6÷3.5 2.7×0.99 0.125×3.2×0.25 3.72×9.9+3.72×0.1 0.99×0.81+0.99×0.19+0.99 1.39×25-0.039×250 （4.16+4.16+4.16+4.16）×2.5 1（2.5-0.25）×0.4 3.78×99+3.78 65÷（0.65×4） 4.9+0.1-4.9+0.1 5.52-（3.52-0.72）2.6×0.5+7.4÷2 42.2×103 8.3×99 1.25×2×0.37×4 1.25×8-0.025×80 （2.31+6.69）÷0.03 35.2÷0.25÷0.4 3.6×10.1

又

12

281.(1+1/2)(1+1/3)(1+1/4)......(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875

11.9-2456*21 12.0.5/11.5-4*2.75 13.1/2×3/5 14.3.375+5.75+2.25+6.625

15.1001－9036÷18 16.3.8×5.25+14.5 17.2.1*4.3+5.7*2.1 18.30×1/3 19.102*45-328 20.2/3×12 21.2.8*3.1+17.6/8 22.3/5×5/6 23.(50-12.5)/2.5

24.2/5×1/3 25.6110*47+639 26.1/2-1/6 27.3.5*2.7-52.2/18

13

28.1/7×1/5 29.3.375*0.97+0.97*6.625 30.25×4/5 31.6.54+2.4+3.46+0.6

32.5/6-1/2 33.95.6*1.8+95.6*8.2 34.1/2×1/5 35.600-420/12 36.344/3.6-5.4*0.25 37.16/2+30/2+90/6 38.3001-1998. 39.5000-105*34 40.0.15/0.25+0.75*1.2 41.(1/2+1/3+1/4)*0.24 42.(25+4)*4 43.300-4263/21

44.0.81/0.25+5.96 45.403÷13×27 46.1.5×4.2－0.75÷0.25 47.3.27×4 +3.27×5.7 48.（1.2+ 1.8）×4.51025－768÷32 49.0.25×80－0.45÷0.9 50.1025－768÷32

14

51.0.25*2.69*4 52.2348+275*16 53.2/9*15/8-1/12*9/5 54.2.4+2.4*(5.375-3.375) 55.645-45*12 56.0.15+1.2/0.24-0.45 57.3.75-(2.35+0.25/1.25)

58.76*1/4+23*25/100+0.25 59.10-2.87-7.13 7*1/3

62.12.37-3.25-6.75 63.16*6.8+2.2*16+16 64.401*19+284 3.7

66.0.4*4.7*2.5+(2.3+5.3) 67.9.31-1.125-7.875 .336/4.2 70.400*(0.62+0.08)

61.7.5-5. 65.58.7-16.65/ 68.640+128*45 69.8.2*1.6-015

60.0.96+9.6*9.9