2021年六年级数学上册分数乘法知识点梳理.pdf

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1、六年级数学上册分数乘法知识点梳理精品w o r d 可编辑资料-第 1 页，共 3 页-第 2 页六年级数学上册分数乘法知识点梳理由查字典数学网为您提供的分数乘法知识点，大家一定要在平时的练习中不断积累，希望给您带来帮助!祝大家生活愉快分数乘法(一)、分数乘法的计算法那么：1、分数与整数相乘：分子与整数相乘的积做分子，分母不变。(整数和分母约分)2、分数与分数相乘：用分子相乘的积做分子，分母相乘的积做分母。3、为了计算简便，能约分的要先约分，再计算。注意：当带分数进行乘法计算时，要先把带分数化成假分数再进行计算。(二)、规律：(乘法中比拟大小时)一个数(0 除外)乘大于 1 的数，积大于这个数

2、。一个数(0 除外)乘小于 1 的数(0 除外)，积小于这个数。一个数(0 除外)乘 1，积等于这个数。(三)、分数混合运算的运算顺序和整数的运算顺序相同。(四)、整数乘法的交换律、结合律和分配律，对于分数乘法也同样适用。乘法交换律：a b=b a 精品w o r d 可编辑资料-第 2 页，共 3 页-文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6

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6、S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A1

7、0S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A

8、10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1

9、A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7文档编码:CD4K7R1A10S6 HG2N2X4Q3H9 ZQ3R10S10Q7I7第 3 页乘法结合律：(a b)c=a(b c)乘法分配律：(a+b)c=a c+b c a c+b c=(a+b)c 希望为大家提供的分数乘法知识点，能够对大家有用，更多相关内容，请及时关注我们!精品w o r d 可编辑资料-第 3 页，共 3 页-文档编码:CH2B5M10A7C3 HN2S8S5B1Y6 ZV2Z6H6Y1J8文档编码:CH2B5M10A7

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