【实数计算题100道及答案】在数学学习中，实数的计算是基础且重要的内容。掌握实数的基本运算规则，不仅有助于提高解题效率，还能为后续学习代数、函数等知识打下坚实的基础。为了帮助学生更好地巩固和复习实数的相关知识，本文整理了100道实数计算题，并附有详细答案，便于自测与练习。
以下为题目与答案的汇总表格：
| 题号 | 题目 | 答案 |
| 1 | 3 + 5 | 8 |
| 2 | 7 - 4 | 3 |
| 3 | 6 × 2 | 12 |
| 4 | 12 ÷ 3 | 4 |
| 5 | 9 + (2 × 3) | 15 |
| 6 | 10 - (5 + 2) | 3 |
| 7 | 4 × (3 + 1) | 16 |
| 8 | 18 ÷ (6 ÷ 2) | 6 |
| 9 | (-5) + 3 | -2 |
| 10 | (-7) - (-2) | -5 |
| 11 | (-4) × 3 | -12 |
| 12 | (-12) ÷ (-3) | 4 |
| 13 | 2.5 + 1.5 | 4.0 |
| 14 | 6.8 - 2.3 | 4.5 |
| 15 | 3.2 × 2 | 6.4 |
| 16 | 10.5 ÷ 5 | 2.1 |
| 17 | (-1.5) + 2.5 | 1.0 |
| 18 | (-3.6) - 1.4 | -5.0 |
| 19 | 2.5 × (-2) | -5.0 |
| 20 | (-8.4) ÷ 2 | -4.2 |
| 21 | 3 + 2 × 4 | 11 |
| 22 | 10 - 3 × 2 | 4 |
| 23 | 5 × (2 + 3) | 25 |
| 24 | 12 ÷ (4 - 2) | 6 |
| 25 | 7 + 5 - 3 | 9 |
| 26 | 12 - 6 + 3 | 9 |
| 27 | 4 × 3 - 2 | 10 |
| 28 | 10 ÷ 2 + 3 | 8 |
| 29 | (-2) × (-3) | 6 |
| 30 | (-5) × 4 | -20 |
| 31 | 1.2 + 0.8 | 2.0 |
| 32 | 5.5 - 2.5 | 3.0 |
| 33 | 0.5 × 4 | 2.0 |
| 34 | 6.0 ÷ 1.5 | 4.0 |
| 35 | (-1.2) + (-0.8) | -2.0 |
| 36 | (-3.5) - 1.5 | -5.0 |
| 37 | 2.5 × (-1.2) | -3.0 |
| 38 | (-10.0) ÷ (-2.5) | 4.0 |
| 39 | 2 + 3 × 2 | 8 |
| 40 | 15 - 4 × 3 | 3 |
| 41 | 6 × (4 - 2) | 12 |
| 42 | 18 ÷ (3 + 3) | 3 |
| 43 | 8 + 5 - 4 | 9 |
| 44 | 10 - 5 + 2 | 7 |
| 45 | 3 × 4 - 5 | 7 |
| 46 | 12 ÷ 3 + 4 | 8 |
| 47 | (-4) × (-5) | 20 |
| 48 | (-6) × 3 | -18 |
| 49 | 2.0 + 1.5 | 3.5 |
| 50 | 7.0 - 3.5 | 3.5 |
| 51 | 1.5 × 2 | 3.0 |
| 52 | 9.0 ÷ 3 | 3.0 |
| 53 | (-2.5) + (-1.5) | -4.0 |
| 54 | (-4.0) - 2.0 | -6.0 |
| 55 | 3.0 × (-2.0) | -6.0 |
| 56 | (-12.0) ÷ 3 | -4.0 |
| 57 | 2 + 4 × 3 | 14 |
| 58 | 10 - 2 × 4 | 2 |
| 59 | 5 × (3 + 2) | 25 |
| 60 | 16 ÷ (4 - 2) | 8 |
| 61 | 9 + 6 - 5 | 10 |
| 62 | 12 - 7 + 3 | 8 |
| 63 | 4 × 5 - 6 | 14 |
| 64 | 15 ÷ 5 + 2 | 5 |
| 65 | (-3) × (-4) | 12 |
| 66 | (-7) × 2 | -14 |
| 67 | 1.8 + 2.2 | 4.0 |
| 68 | 6.5 - 2.5 | 4.0 |
| 69 | 0.6 × 5 | 3.0 |
| 70 | 10.0 ÷ 2.5 | 4.0 |
| 71 | (-1.8) + (-2.2) | -4.0 |
| 72 | (-5.0) - 3.0 | -8.0 |
| 73 | 2.0 × (-3.0) | -6.0 |
| 74 | (-15.0) ÷ 5 | -3.0 |
| 75 | 3 + 2 × 5 | 13 |
| 76 | 14 - 3 × 4 | 2 |
| 77 | 6 × (5 - 3) | 12 |
| 78 | 20 ÷ (5 - 1) | 5 |
| 79 | 7 + 8 - 6 | 9 |
| 80 | 11 - 4 + 3 | 10 |
| 81 | 5 × 3 - 4 | 11 |
| 82 | 18 ÷ 6 + 3 | 6 |
| 83 | (-6) × (-3) | 18 |
| 84 | (-8) × 4 | -32 |
| 85 | 2.5 + 1.5 | 4.0 |
| 86 | 9.0 - 4.0 | 5.0 |
| 87 | 1.2 × 3 | 3.6 |
| 88 | 12.0 ÷ 4 | 3.0 |
| 89 | (-2.5) + (-1.5) | -4.0 |
| 90 | (-6.0) - 2.0 | -8.0 |
| 91 | 2.5 × (-2.0) | -5.0 |
| 92 | (-10.0) ÷ 2 | -5.0 |
| 93 | 4 + 3 × 2 | 10 |
| 94 | 12 - 2 × 5 | 2 |
| 95 | 7 × (2 + 3) | 35 |
| 96 | 24 ÷ (6 - 2) | 6 |
| 97 | 6 + 7 - 5 | 8 |
| 98 | 10 - 3 + 4 | 11 |
| 99 | 3 × 4 - 2 | 10 |
| 100 | 16 ÷ 4 + 3 | 7 |
以上100道实数计算题涵盖了加减乘除、正负数、小数以及括号运算等多种形式，适合初学者或需要巩固基础的学生进行练习。建议在做题时注意运算顺序，尤其是带括号的题目，避免因顺序错误导致答案错误。通过反复练习，可以有效提升对实数运算的熟练度和准确率。
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