檢視同类项的原始碼

{| class="wikitable" align="right"
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| style="background: #FF2400" align= center|  '''<big>同类项</big>'''
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|<center><img src=https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fwww.51wendang.com%2Fpic%2F825ab0a925cdc160ede7ee3e%2F5-810-jpg_6-1080-0-0-1080.jpg&refer=http%3A%2F%2Fwww.51wendang.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1666305086&t=95cd9e589def983fdcfdd1e984d5b187 width="300"></center>
<small>[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%90%8C%E7%B1%BB%E9%A1%B9&step_word=&hs=0&pn=5&spn=0&di=7117150749552803841&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=3339301370%2C3126395284&os=2498173822%2C3940491962&simid=3339301370%2C3126395284&adpicid=0&lpn=0&ln=1834&fr=&fmq=1663713110863_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fwww.51wendang.com%2Fpic%2F825ab0a925cdc160ede7ee3e%2F5-810-jpg_6-1080-0-0-1080.jpg%26refer%3Dhttp%3A%2F%2Fwww.51wendang.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Dauto%3Fsec%3D1666305086%26t%3D95cd9e589def983fdcfdd1e984d5b187&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bc8ojg1wg2_z%26e3Bv54AzdH3F15vAzdH3Fbdcwkawldcv1v8maj1j0jjnjAzdH3Fc&gsm=600000000000006&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined&dyTabStr=MCwyLDMsNCw1LDEsNiw4LDcsOQ%3D%3D 来自 呢图网 的图片]</small>
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| style="background: #FF2400" align= center|  '''<big></big>'''

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中文名；同类项

外文名；Similar items

应用学科；数学

相关术语；合并同类项

性质；与系数无关

所属领域；数学
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如果两个单项式，他们所含的字母[[相同]]，并且相同字母的指数也分别相同，那么就称这两个单项式为'''同类项'''。比如4y与5y，100ab与14ab，6c与6c。此外所有常数项都是同类项(常数项也叫数字因数)。

在求代数式的值时，常常先合并[[同类项]]，简化代数式后再求值，这样比较简便。<ref>[https://wenku.so.com/d/6fa5aaccc8d85c13f8536f9ae1c0162d 同类项的概念],360文库 , 2019年9月21日</ref>