应用题专题阶梯练习题及答案——提高篇: 答案 -------------------------------------------------------------------------------------------------- 31. 7.5 32. 500 33. 49.2 34. 37.5 35. 8 36. 75. 37. 4 38. 400 39. 25 40. 12 41. 6 42. 16 43. 60 44. 2 46. 4月2日9时 47. 32 48. 41,80,85,164 49. 9 50. 2023 51. 88 52. 10 53. 6 54. 90 55. 32 56. 8 57. 37 58. 6 59. 25 60. 20 61. 17 62. 蜘蛛4只,蝉8只,蜻蜓6只 63.70 64.3 65.15 66.11 67.20 68.106 69.170 70.36 71. 2 72. 9 73. 35 74. 54 75. 45 76. 39 77. 200 78. 93 80. 10 |