第6单元 多边形的面积-【优佳好】2023-2024学年五年级上册数学口算计算能力提升（人教版）

单元 6 　 第 1 课时　 平行四边形的面积 5 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　53 × 0. 01 = 0. 5 ÷ 2 = 40 ÷ 50 = 0. 35 ÷ 3. 5 = 0. 02 × 0. 5 = 3. 5 - 0. 07 = 0. 5 × 4 = 4. 2 × 3 = 10. 8 ÷ 9 = 1. 08 × 0. 1 = 3. 2 ÷ 0. 4 = 0. 23 × 2 = 2. 8 × 10 = 9. 6 ÷ 3. 2 = 2. 2 × 6 = 1. 8 × 100 = 200 × 0. 03 = 1. 3 + 0. 03 = 0. 55 × 200 = 8. 2 ÷ 0. 01 = 9 ÷ 0. 3 = 0. 3 × 0. 04 = 4. 8 ÷ 0. 06 = 1. 05 ÷ 0. 5 = 3. 2 × 0. 2 = 0. 22 × 30 = 0. 72 ÷ 8 = 3. 06 × 50 = 3. 9 ÷ 0. 39 = 6. 3 ÷ 0. 9 = 1. 44 ÷ 0. 2 = 1. 03 × 3 = 0. 75 ÷ 0. 3 = 0. 45 ÷ 3 = 0. 78 ÷ 0. 1 = 0. 49 ÷ 0. 7 = 38 ÷ 4 = 9. 2 × 6 = 15 ÷ 0. 25 = 3. 2 × 9 = 4x +5 = 8　 　 　 　 　 　 　 　 　 3x +2. 5x =6. 6　 　 　 　 　 　 　 　 　 3(x +3. 8) = 12 (3. 45 + 6. 63) ÷ (0. 3 × 0. 3) 　 　 　 　 　 (24. 66 - 5. 38) × (3. 4 - 1. 9) 45 单元 6 　 第 2 课时　 练习课 5 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　8. 5 × 0. 2 = 1. 5 ÷ 0. 03 = 0. 12 × 0. 03 = 0. 48 ÷ 0. 04 = 5. 6 ÷ 0. 7 = 2. 97 ÷ 10 = 3. 2 ÷ 0. 16 = 0. 4 × 0. 8 = 12. 5 × 0. 08 = 18 ÷ 0. 9 = 3. 5 × 20 = 0. 22 + 0. 78 = 4. 7 × 0. 1 = 2. 4 × 0. 03 = 0. 24 ÷ 0. 4 = 3. 01 × 2 = 32. 4 ÷ 0. 8 = 2. 43 ÷ 3 = 2. 1 × 5 = 0. 96 ÷ 0. 3 = 0. 36 × 5 = 8. 1 ÷ 0. 9 = 0. 7 × 0. 2 = 15 × 0. 04 = 1. 8 ÷ 0. 9 = 3 × 3. 5 = 110 ÷ 20 = 9. 6 ÷ 1. 2 = 2. 05 ÷ 0. 01 = 8. 3 × 1. 2 = 2. 5 × 0. 6 = 14. 7 ÷ 0. 7 = 4 × 0. 15 = 0. 8 × 3. 6 = 5. 1 ÷ 6 = 18 ÷ 90 = 1. 6 × 0. 5 = 62. 7 ÷ 3 = 3. 2 × 0. 8 = 1. 6 ÷ 5 = 2. 7 × 2 - 1. 5x =0　 　 　 　 　 　 　 (x -15) × 3. 6 = 2. 88　 　 　 　 　 　 　 5x +14 = 72 4. 8 ÷ x +5. 2 = 8. 2 (6x -7) × 3 = 2. 4 9x -6 × 1. 25 = 15 55 单元 6 　 第 3 课时　 三角形的面积 5 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　6. 04 ÷ 4 = 2 × 0. 05 = 1 ÷ 0. 04 = 0. 5 × 0. 06 = 1. 6 × 0. 8 = 8 ÷ 0. 01 = 3. 5 ÷ 0. 7 = 0. 56 ÷ 5. 6 = 7. 2 ÷ 0. 6 = 0. 4 × 0. 4 = 9. 3 ÷ 3 = 7. 07 ÷ 7 = 0. 13 × 100 = 7. 2 ÷ 0. 9 = 1. 5 × 8 = 3. 6 ÷ 6 = 1. 5 ÷ 0. 03 = 4. 8 ÷ 0. 2 = 2. 5 × 0. 4 = 1. 6 × 0. 5 = 3. 2 × 0. 4 = 2. 2 × 5 = 1. 8 × 0. 5 = 62. 7 ÷ 3 = 0. 26 ÷ 1. 3 = 1. 2 × 0. 8 = 1