由代数式的乘法法则类比推导向量的数量积的运算法则:
①“
”类比得到“
”;
②“
”类比得到“
”;
③“
,
”类比得到“
,
”;
④“
”类比得到“
”;
⑤“
”类比得到“
”;
⑥“
”类比得到“
”.
以上类比得到的结论正确的是__________
①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48be87af8c62d1feb21e54eca95253f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2141a819986c20a7d7414914dec686e8.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dacf48ab6cea9811dac943129ad6c6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5087c4c07d5b979a946cc53915687f8.png)
③“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823ab696d27d40920c39b8c910789380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20812f72d4beac75f22969e4fd9906b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c17e572355d4e754ce0c382f78d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3382d33021b985fefa3505e84b9e7ebf.png)
④“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a32381c7284f67bb16f535b2749e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae678392bb4f29a09e172a6c52971cba.png)
⑤“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9180b3178d76c3aa7a615ff26b1c97a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689a5623593592bcdee96e8690c2beb2.png)
⑥“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b941ca01defb8dcaf2e41468676e48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d99423b9a86f055a34579f6ba535e36.png)
以上类比得到的结论正确的是__________
更新时间:2021-09-10 12:44:41
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【推荐1】设集合
,
,
,
,
,
,在
上定义运算“
”为:
,其中
为
被4除的余数,
,
,1,2,3,4,5.则满足关系式
的
的个数为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd14a8f8a49bcc92831c2248c43220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494853f72944b60e7357b2a3ce87d3c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f611178e27680e2e8e05c25fe45cee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1126d99dd824dd890c5df5262af98f81.png)
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【推荐2】由代数式的乘法法则类比推导向量的数量积的运算法则:
①“mn=nm”类比得到“a·b=b·a”;
②“(m+n)t=mt+nt”类比得到“(a+b)·c=a·c+b·c”;
③“t≠0,mt=nt⇒m=n”类比得到“c≠0,a·c=b·c⇒a=b”;
④“|m·n|=|m|·|n|”类比得到“|a·b|=|a|·|b|”;
⑤“(m·n)t=m(n·t)”类比得到“(a·b)·c=a(b·c)”;
⑥“
”类比得到
.以上的式子中,类比得到的结论正确的是________ .
①“mn=nm”类比得到“a·b=b·a”;
②“(m+n)t=mt+nt”类比得到“(a+b)·c=a·c+b·c”;
③“t≠0,mt=nt⇒m=n”类比得到“c≠0,a·c=b·c⇒a=b”;
④“|m·n|=|m|·|n|”类比得到“|a·b|=|a|·|b|”;
⑤“(m·n)t=m(n·t)”类比得到“(a·b)·c=a(b·c)”;
⑥“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b941ca01defb8dcaf2e41468676e48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cbb9e4cee3f62dd8214f49013be222.png)
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