问题
解答题
脱式计算
|
答案
(1)48×(46-37),
=48×9,
=432;
(2)36×3×8,
=108×8,
=864;
(3)213×3-39,
=639-39,
=600;
(4)685+68×9,
=685+612,
=1297.
脱式计算
|
(1)48×(46-37),
=48×9,
=432;
(2)36×3×8,
=108×8,
=864;
(3)213×3-39,
=639-39,
=600;
(4)685+68×9,
=685+612,
=1297.