![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b219ebc4b74543a94673fbd018178a82b9011445?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追答括号里面的符号加减取决于括号外面的符号
追问括号前面的是数字啊
追答就是数字前面的那个符号,如果是减号,那么遇到括号加的变减,减的变加
追问括号前面的是乘号呢?
追答那就更简单了,先乘外面的再处理括号里面的
但是一般这样的式子不会是乘除的
追问先程外面的?怎么城外面,只能先算括号里的再城吧
追答就比如1+5*6(3+2)就是1+30*5等于151
你题目的例子只是考你的解式。方程那么简单
追问我的例子呢
看上面的照片
追答![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/1b4c510fd9f9d72a6b4c1b01d22a2834349bbb85?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
这样的方程你会解?
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b21c8701a18b87d6f6f1a003010828381f30fd7f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追问![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/e824b899a9014c08b7a022b90c7b02087bf4f417?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
怎么样
追答![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/574e9258d109b3dec3369074cabf6c81800a4c24?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
看符号,我给你分开来了。看不懂我也没办法了。
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