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添括号法则
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| style="background: #FF2400" align= center| '''<big>添括号法则</big>'''
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<small>[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%B7%BB%E6%8B%AC%E5%8F%B7%E6%B3%95%E5%88%99&step_word=&hs=0&pn=0&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=1419198999%2C1029378864&os=1212347114%2C263534906&simid=3392706949%2C198319716&adpicid=0&lpn=0&ln=322&fr=&fmq=1663657966284_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined©right=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%2Fbkimg.cdn.bcebos.com%2Fpic%2F810a19d8bc3eb13533fa69b30c51bfd3fd1f4134ee21%26refer%3Dhttp%3A%2F%2Fbkimg.cdn.bcebos.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Dauto%3Fsec%3D1666249955%26t%3D7af54aa422dce89e1e1f6f874786d275&fromurl=ippr_z2C%24qAzdH3FAzdH3Fkwthj_z%26e3Bkwt17_z%26e3Bv54AzdH3Ftpj4AzdH3F%25Em%25B0%25BB%25Em%25bB%25AC%25Ec%25bF%25B0%25Em%25Bn%25lc%25Ec%25bb%25llAzdH3Fblb00nm&gsm=100000000000001&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined&dyTabStr=MCwyLDQsMywxLDYsNSw3LDgsOQ%3D%3D 来自 呢图网 的图片]</small>
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| style="background: #66CCFF" align= centerlight| '''<big>添括号法则</big> '''
口诀;加乘不变,减除相反| align= light|}
==数学术语==
'''添括号法则'''
1.如果括号前面是加号或 [[ 乘号]],加上括号后,括号里面的符号不变。
2.如果括号前面是减号或除号,加上括号后,括号里面的符号全部改为与其相反的 [[ 符号 ]] 。
3.添括号可以用去括号进行 [[ 检验 ]] 。
==字母公式==
== 参考来源 ==
<center>
{{#iDisplay:y0799dxye5l|480|270|qq}}
<center>完全平方公式--添括号法则</center>
</center>
== 参考资料 ==