发布人:繁体字网(www.fantiz5.com) 发布时间:2015-10-24 07:30:00
试题原文 |
|
(1)10-5×1.65, =10-8.25, =1.75; (2)98.4-98.4×0.9, =98.4×(1-0.9), =98.4×0.1, =9.84; (3)3.2×1.25×0.25, =(4×0.8)×1.25×0.25, =(4×0.25)×(0.8×1.25), =1×1, =1; (4)7.75×0.4-0.432÷0.48, =3.1-0.9, =2.2; (5)10.1×8.6, =(10+0.1)×8.6, =10×8.6+0.1×8.6, =86+0.86, =86.86; (6)4.35-(2.35-1.7), =4.35-2.35+1.7, =2+1.7, =3.7. |
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“脱式计算(能简算就简算).10-5×1.6598.4-98.4×0.93.2×1.25×..”的主要目的是检查您对于考点“小学运算定律和简便算法”相关知识的理解。有关该知识点的概要说明可查看:“小学运算定律和简便算法”。