问题
解答题
选择自己喜欢的方法计算.
|
答案
(1)125×48,
=125×8×6,
=1000×6,
=6000;
(2)720÷30,
=720÷(6×5),
=720÷6÷5,
=120÷5,
=24;
(3)25×4÷25×4,
=25×4×
×4,1 25
=4×4,
=16.
选择自己喜欢的方法计算.
|
(1)125×48,
=125×8×6,
=1000×6,
=6000;
(2)720÷30,
=720÷(6×5),
=720÷6÷5,
=120÷5,
=24;
(3)25×4÷25×4,
=25×4×
×4,1 25
=4×4,
=16.