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)0.8×6.5-
=0.8×6.5-0.8×3.5, =(6.5-3.5)×0.8, =3×0.8, =2.4; (2)(
=
=3+35, =38; (3)1-
=1-
=1-
=1; (4)25×1.25×32, =25×1.25×8×4, =25×4×(1.25×8), =100×10, =1000; (5)99×
=(99+1)×
=100×
=90; (6)1
=1
=1
=
|
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“神机妙算:0.8×6.5-45×3.5(115+79)×451-815÷45+2325×1.25×329..”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”。