问题 解答题
计算下列各题:
399÷7+195;

325-178+283;

480÷8÷6;

81×3÷9.
答案

(1)399÷7+195,

=57+195,

=252;

(2)325-178+283,

=147+283,

=430;

(3)480÷8÷6,

=60÷6,

=10;

(4)81×3÷9,

=243÷9,

=27.

单项选择题
单项选择题