问题
解答题
脱式计算
|
答案
(1)235÷5×28,
=47×28,
=1316;
(2)480÷(242-238),
=480÷4,
=120;
(3)729÷9÷3,
=81÷3,
=27;
(4)(400+202)÷7,
=602÷7,
=86.
脱式计算
|
(1)235÷5×28,
=47×28,
=1316;
(2)480÷(242-238),
=480÷4,
=120;
(3)729÷9÷3,
=81÷3,
=27;
(4)(400+202)÷7,
=602÷7,
=86.