题目内容
脱式计算
| 235÷5×28 | 480÷(242-238) | 729÷9÷3 | (400+202)÷7. |
(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.
=47×28,
=1316;
(2)480÷(242-238),
=480÷4,
=120;
(3)729÷9÷3,
=81÷3,
=27;
(4)(400+202)÷7,
=602÷7,
=86.
练习册系列答案
相关题目