发布人:繁体字网(www.fantiz5.com) 发布时间:2015-08-29 07:30:00
试题原文 |
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(1) 26.7+3.3×1.2+0.04 =26.7+3.96+0.04 =26.7+(3.96+0.04) =26.7+4 =30.7 | (2) 4.8×12.5×0.8 =0.8×12.5×4.8 =10×4.8 =48 | (3) 2.5×(6+9.728÷3.2) =2.5×(6+3.04) =2.5×9.04 =2.5×(10-0.06) =2.5×10-2.5×0.06 =25-0.15 =24.85 |
(4) 24×10.2 =24×(10+0.2) =24×10+24×0.2 =240+4.8 =244.8 | (5) 6.3÷(2.1×2) =6.3÷2.1÷2 =3÷2 =1.5 | (6) 100.8÷[(10.79+6.49)÷4.8] =100.8÷[17.28÷4.8] =100.8÷3.6 =28 |
经过对同学们试题原文答题和答案批改分析后,可以看出该题目“计算下面各题,能简便计算的要简便计算.(1)26.7+3.3×1.2+0.0..”的主要目的是检查您对于考点“小学小数的四则混合运算及应用”相关知识的理解。有关该知识点的概要说明可查看:“小学小数的四则混合运算及应用”。