f(x)在（a,b）\{c}连续,（a,b）\{c}是什么意思f(x)在（a,b）\{c} 连续,（a,b）\{c}

f(x)在（a,b）\{c}连续,（a,b）\{c}是什么意思f(x)在（a,b）\{c} 连续,（a,b）\{c}
f(x)在（a,b）\{c}连续,（a,b）\{c}是什么意思
f(x)在（a,b）\{c} 连续,（a,b）\{c}

f(x)在（a,b）\{c}连续,（a,b）\{c}是什么意思f(x)在（a,b）\{c} 连续,（a,b）\{c}
开区间(a,b),除点C外
即:(a,c)∪(c,b)