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> 当x=7时,x+5+x-4-4x-1=______.-数学
当x=7时,x+5+x-4-4x-1=______.-数学
题目简介
当x=7时,x+5+x-4-4x-1=______.-数学
题目详情
当x=7时,
x+5
+
x-4
-
4x-1
=______.
题型:填空题
难度:中档
来源:不详
答案
当x=7时,原式=
12
+
3
-
27
=2
3
+
3
-3
3
=0.
上一篇 :
16的平方根为________-八年级
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At present a special village
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题目简介
当x=7时,x+5+x-4-4x-1=______.-数学
题目详情
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