问题
解答题
|
答案
(1)8388÷9-668÷4,
=932-167,
=765;
(2)816÷3-127×2,
=272-254,
=18;
(3)172×(46-38),
=172×8,
=1376;
(4)(269+284)÷7,
=553÷7,
=79.
|
(1)8388÷9-668÷4,
=932-167,
=765;
(2)816÷3-127×2,
=272-254,
=18;
(3)172×(46-38),
=172×8,
=1376;
(4)(269+284)÷7,
=553÷7,
=79.