46-括号9+16括号等于多少？ 9/16加8/21加7/16等于括号加括号加括号等于多少?
46\u2014(9+16)\u7b49\u4e8e\u591a\u5c11\uff1f46-(9+16)\u7b80\u4fbf\u8ba1\u7b97
\u89e3\u9898\u601d\u8def\uff1a\u56db\u5219\u8fd0\u7b97\u89c4\u5219\uff08\u6309\u987a\u5e8f\u8ba1\u7b97\u3001\u5148\u7b97\u4e58\u9664\u540e\u7b97\u52a0\u51cf\uff0c\u6709\u62ec\u53f7\u5148\u7b97\u62ec\u53f7\uff0c\u6709\u4e58\u65b9\u5148\u7b97\u4e58\u65b9\uff09\u5373\u8131\u5f0f\u8fd0\u7b97\uff08\u9012\u7b49\u5f0f\u8ba1\u7b97\uff09\u9700\u5728\u8be5\u539f\u5219\u524d\u63d0\u4e0b\u8fdb\u884c
\u89e3\u9898\u8fc7\u7a0b\uff1a
46-(9-16)
=46-16-9
=30-9
=21
\u5b58\u7591\u8bf7\u8ffd\u95ee\uff0c\u6ee1\u610f\u8bf7\u91c7\u7eb3
9/16+8/21+7/16
=(9/16+7/16)+8/21
=1+8/21
=1\u53c821\u5206\u4e4b8
=46-16-9
=30-9
=21
个肯定先上括号里面的加法25至16:25最好的了。21，
递等式计算46-(9+16)
解题思路：四则运算规则（按顺序计算、先算乘除后算加减，有括号先算括号，有乘方先算乘方）即脱式运算（递等式计算）需在该原则前提下进行
解题过程：
46-(9+16)
=46-25
=21
存疑请追问，满意请采纳
绛旓細46-(9-16)=46-16-9 =30-9 =21 瀛樼枒璇疯拷闂紝婊℃剰璇烽噰绾
绛旓細46-(9+16)=46-25 =21 瀛樼枒璇疯拷闂紝婊℃剰璇烽噰绾
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