8✖️4读作要怎么写? 75×19+75×80+75能简便的要简便怎么写?

462✖️8\u7b14\u7b97\u683c\u5f0f\u600e\u4e48\u5199\uff1f

4 6 2
\u00d7 8
\u2014\u2014\u2014\u2014\u2014
3 6 9 6
\u56db\u5219\u8fd0\u7b97\u5404\u79cd\u7ad6\u5f0f\u5199\u6cd5\u5982\u4e0b\uff1a\u52a0\u6cd5\uff1a\u51cf\u6cd5\uff1a\u76f8\u540c\u6570\u4f4d\u5bf9\u9f50\uff0c\u82e5\u4e0d\u591f\u51cf\uff0c\u5219\u5411\u524d\u4e00\u4f4d\u501f1\u5f5310\u3002
\u4e58\u6cd5\uff1a\u628a\u88ab\u4e58\u6570\u548c\u4e58\u6570\u4e0a\u4e0b\u5206\u5217\u5404\u6570\u4f4d\u5bf9\u9f50\uff0c\u4ece\u4e0b\u8fb9\u6570\u7684\u4e2a\u4f4d\u5230\u9ad8\u4eec\u4f9d\u6b21\u4ece\u540e\u4e2a\u4f4d\u5411\u524d\u8f83\u9ad8\u4f4d\u53bb\u4e58\u4e0a\u8fb9\u6570\u7684\u6bcf\u4e00\u4f4d\uff1b\u5c06\u4e0b\u8fb9\u6bcf\u4f4d\u6570\u4e0e\u4e0a\u8fb9\u6570\u7684\u4e58\u79ef\u5206\u5217\u4e8e\u5f0f\u5b50\u4e0b\u8fb9\uff0c\u6ce8\u610f\u4e00\u5b9a\u8981\u5206\u6e05\u6570\u4f4d\u3002

\u6269\u5c55\u8d44\u6599\uff1a
\u4e58\u6cd5\u5206\u914d\u5f8b\u7684\u7b80\u5355\u8ba1\u7b97\u65b9\u6cd5\uff1aax(b+c)=axb+axc
\u4e58\u6cd5\u7ed3\u5408\u5f8b\u7684\u7b80\u5355\u8ba1\u7b97\u65b9\u6cd5\uff1a(a\u00d7b)\u00d7c=a\u00d7(b\u00d7c)
\u4e58\u6cd5\u4ea4\u6362\u5f8b\uff1aa\u00d7b=b\u00d7a
\u52a0\u6cd5\u4ea4\u6362\u5f8b\uff1aa+b=b+a
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1\u2014\u56db\u5219\u8fd0\u7b97

\u628a\u540c\u4e00\u4e2a75\u63d0\u51fa\u6765\u4e58✖️\uff0c\u52a0\u62ec\u53f7\u516b\u5341\u548c\u5341\u4e5d\u4e24\u4e2a\u52a0\u8d77\u6765

8×4读作:八乘以四。

解:8x4,
读作:8乘以4。

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