问题
解答题
|
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.
|
(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.