2025年小学数学计算高手每日10分钟五年级数学下册苏教版


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《2025年小学数学计算高手每日10分钟五年级数学下册苏教版》

1. 看谁算得又快又准。
2.6 + 5.8 =         1 - 0.78 =         4 × 0.18 =  
2.4 - 0.7 =         4.2 + 5.8 =         0.16 × 0.5 =  
12.5 × 50 =         12.5 × 0.08 =        2.6 × 0.5 =  
0.86 + 0.04 =        8.5 - 6.6 =         5.68 - 0.66 =  
2.1 × 0.9 =         5.6 × 5 =         9.5 × 6 =  
4.04 × 10 =         7.4 + 0.9 =         0.12 × 0.8 =  
2.25 × 0.04 =        6.2 × 0.7 =         3.4 × 100 =  
1.7 × 5 =           35 × 0.64 =         4.7 - 4 =  
1.3 × 7 =           4.3 × 0.3 =         0.12 × 15 =  
6.5 × 3 =           3.7 × 0.2 =         50 × 0.07 =  
答案: 2.6 + 5.8 = 8.4;1 - 0.78 = 0.22;4 × 0.18 = 0.72;2.4 - 0.7 = 1.7;4.2 + 5.8 = 10;0.16 × 0.5 = 0.08;12.5 × 50 = 625;12.5 × 0.08 = 1;2.6 × 0.5 = 1.3;0.86 + 0.04 = 0.9;8.5 - 6.6 = 1.9;5.68 - 0.66 = 5.02;2.1 × 0.9 = 1.89;5.6 × 5 = 28;9.5 × 6 = 57;4.04 × 10 = 40.4;7.4 + 0.9 = 8.3;0.12 × 0.8 = 0.096;2.25 × 0.04 = 0.09;6.2 × 0.7 = 4.34;3.4 × 100 = 340;1.7 × 5 = 8.5;35 × 0.64 = 22.4;4.7 - 4 = 0.7;1.3 × 7 = 9.1;4.3 × 0.3 = 1.29;0.12 × 15 = 1.8;6.5 × 3 = 19.5;3.7 × 0.2 = 0.74;50 × 0.07 = 3.5
2. 脱式计算。
2.57 × 2 + 3.6       4.6 × 4 + 12.5       5 × 0.6 + 18.88
5.63 × 3 + 7        7.49 × 2 + 0.3        12.4 + 0.4 - 3.7
答案: 2.57 × 2 + 3.6 = 8.74;4.6 × 4 + 12.5 = 30.9;5 × 0.6 + 18.88 = 21.88;5.63 × 3 + 7 = 23.89;7.49 × 2 + 0.3 = 15.28;12.4 + 0.4 - 3.7 = 9.1

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