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)29.23-81÷27×0.35, =29.23-3×0.35, =29.23-1.05, =28.18; (2)2.5×12.5×0.8×1.2, =(2.5×1.2)×(12.5×0.8), =3×10, =30; (3)5.2÷0.25, =(5+0.2)÷0.25, =5÷0.25+0.2÷0.25, =20+0.8, =20.8; (4)89×10.1, =89×(10+0.1), =890+8.9, =898.9; (5)0.7×2.8+0.3×7.2, =1.96+2.16, =4.12; (6)1.8÷3.6×(0.9+1.2), =1.8÷3.6×2.1, =0.5×2.1, =1.05. |
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“29.23-81÷27×0.352.5×12.5×0.8×1.25.2÷0.2589×10.10.7..”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”。