1、 25/16 + 2/3 3/4 18. 14 8/7 - 5/6 12/15 20. 3 2/9 + 1/3 21. 5/7 3/25 + 3/7 23. 1/5 2/3 + 5/6 24. 9/22 + 1/11 1/2 25. 5/3 11/5 + 4/3 26. 45 2/3 + 1/3 15 27. 7/19 + 12/19 5/6 28. 1/4 + 3/4 2/3 29. 8/7 21/16 + 1/2 30. 101 1/5 - 1/5 21 31.5016040 32.120-14418+35 33.347+452-416052 34(58+37)(64-95) 35.95(
2、64-45) 38.85+14(14+20826) 39.(284+16)(512-820818) 40.120-36441.(58+37)42.(6.8-6.80.55)8.5 43.0.12 4.80.124.8 44.(3.21.5+2.5)1.6 45.6-1.6446.7.20.8-1.2547.6.5(4.8-1.24)= 0.681.9+0.321.9 48.10.15-10.750.4-5.7 49.5.8(3.87-0.13)+4.23.74 50.32.52-(6+9.7283.2)2.5 51.(375+1034)+(966+125) 52.(2130+783+270)+
3、1017 53.99+999+9999+99999 54.7755(2187+755) 55.2214+638+286 56.30657381065 57.899+344 58.2357183317357 59.23651086214 60.497299 61.2370+1995 62.3999+498 63.1883398 64.1225 65.7524 66.138254 67.(13125)(38) 68.(12+24+80)50 69.70470.2532125 71.32(25+125) 72.8873.10276 74.5898 75.178101178 76.8436+6484
4、77.7599+275 78.83102832 79.98199 80.123181233+85123 81.50(344)82.25(24+16) 83.17899+178 84.7942+79+7957 85.73002586.810087.16800120 88.301002100 89.32000400 90.49700700 91.124892.315015 93.480094.2150095.12343-4323 96.1757597.480075+36 98.47.83-(6.83+13.5) 99.(947599)7664 100.2800 100789 1. (25%-695
5、%-12%)*36 2. 3/4*3/5+3/4*2/5 3. (1-1/4+8/9)/7/9 4 2/3+1/6/3/24+2/21 5 1*8/15*3/5 6 10-3/4/9/10-1/6 7 (1/3+1/2)/5/6-1/3/1/7 8 2/3/5+3/5/2+3/4 9 1/(2-2/3/1/2)*2/5 10 32*3.25678 5/6 5/6 15. 9/7 - ( 2/7 10/21 ) 18 14 8/7 5/6 19. 17/32 3/4 9/24 22. 3/14 2/3 + 1/6 1/5 1/5 40 (58+370)36.178-14556+42 420+58
6、0-642128 37.812-700(9+3111) (136+64)(65-34523) 1.6 (2)3.2(1.5+2.5)4= 5.38+7.85-5.37= 5= 6-1.193-0.43= 51. 3/7 52. 8/9 53. 12 5/6 2/9 54. 855. 6 3/8 3/8 56. 4/7 57. 5/2 -( 3/2 + 4/5 ) 58. 7/8 + ( 1/8 + 1/9 ) 59. 9 60. 3/4 61. 7 62. 6 63. 8 64. 31 65. 9/7 - ( 2/7 10/21 ) 66. 5/9 67. 4/5 68. 14 69. 17/
7、32 3/4 70. 3 71. 5/7 72. 3/14 73. 1/5 74. 9/22 + 1/11 75. 5/3 76. 45 77. 7/19 + 12/19 78. 1/4 + 3/4 79. 8/7 80. 101 2181。(15.6+9.744/2.4)*0.5 82。2.881/0.43-3.5*0.24 83。13.5*0.68/8.5 84。43.6-7.6*4.1 85。(86.9+667.6)/50.3 86。(73.5+80.5)/(10+12) 87。(7.8*15+5.1*10+6*5)/(15+10+5) 88。12.53-1.35*2-9.3 89。0.
8、8*(4-3.75)/0.1 90。6-1.3*(10-7.3) 91。3/7 92。8/9 93。1294。895。696。4/7 97。5/2 -( 3/2 + 4/5 ) 98。7/8 + ( 1/8 + 1/9 ) 99。9 100。3/4 7 6 8 31 9/7 - ( 2/7 10/21 ) 5/9 4/5 14 12/15 17/32 3/4 3 5/7 3/25 + 3/7. 3/14 1/5 9/22 + 1/11 5/3 45 7/19 + 12/19 1/4 + 3/4 8/7 21/16 + 1/236594154 237231462369631 605061946035 2307241265 184381163811300 (7969146354)629 32513(266250) 74100(440280)(300260) 100+253-90 902136 705 723 369(631 5)
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1