问题
单项选择题
在Excel单元格内输入计算公式时，应在表达式前加一前缀字符______。
A．左圆括号“(”
B．等号“=”
C．美圆号“$”
D．单撇号 “'”
答案
参考答案：B
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在Excel单元格内输入计算公式时，应在表达式前加一前缀字符______。
A．左圆括号“(”
B．等号“=”
C．美圆号“$”
D．单撇号 “'”
参考答案：B
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