问题
解答题
|
答案
(1)900÷60
=900÷(30×2)
=900÷30÷2
=30÷2
=15;
(2)840÷40
=84÷4
=42;
(3)5800÷200
=58÷2
=29;
(4)3600÷300
=36÷3
=12.
|
(1)900÷60
=900÷(30×2)
=900÷30÷2
=30÷2
=15;
(2)840÷40
=84÷4
=42;
(3)5800÷200
=58÷2
=29;
(4)3600÷300
=36÷3
=12.