[填空题]如果X的二次方=5则X=_,若|X|=绝对值2,则X=_,0.04的平方根是_,0.04的算术平方根是_

问题描述:

[填空题]如果X的二次方=5则X=_,若|X|=绝对值2,则X=_,0.04的平方根是_,0.04的算术平方根是_

根号5、正负2、正负0.2、0.2