(1)原式=42+24-32
=524.
(2)原式=1+23-3-22
=-2.
将一维数组A中的值作为一条记录插入到XS表中的SQL命令是
A.INSERT TO XS FROM ARRAY A
B.INSERT INTO XS FROM ARRAY A
C.INSERT TO XS FROM A
D.INSERT INTO XS FROM
风机基础混凝土强度检测宜采用()法。