问题
解答题
脱式计算.
|
答案
(1)16×5×9,
=80×9,
=720;
(2)314×(603-596),
=314×7,
=2198;
(3)(67+73)×6,
=140×6,
=840;
(4)152×4-379,
=608-379,
=229.
脱式计算.
|
(1)16×5×9,
=80×9,
=720;
(2)314×(603-596),
=314×7,
=2198;
(3)(67+73)×6,
=140×6,
=840;
(4)152×4-379,
=608-379,
=229.