发布人:繁体字网(www.fantiz5.com) 发布时间:2015-04-16 07:30:00
试题原文 |
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原式=908×501-731×1389+(547×236+842×731-495×361) =908×501-731×1389+547×236+842×731-495×361 =908×501-731×+547×236-495×361 =908×501-731×547+547×236-495×361 =908×501-(731-236)×547-495×361 =908×501-495×547-495×361 =908×501-495×(547+361) =908×501-495×908 =908×(501-495) =908×6 =5448. 故本题答案为:5448. |
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“908×501-[731×1389-(547×236+842×731-495×361)]=______”的主要目的是检查您对于考点“初中有理数的混合运算”相关知识的理解。有关该知识点的概要说明可查看:“初中有理数的混合运算”。