题目内容
| 138-35×3 | (54+181)÷5 | 50+60÷5 |
| 40×9÷6 | 60×3+20 | (42+38)×4. |
(1)138-35×3
=138-105
=33;
(2)(54+181)÷5
=235÷5
=47;
(3)50+60÷5
=50+12
=62;
(4)40×9÷6
=360÷6
=60;
(5)60×3+20
=180+20
=200;
(6)(42+38)×4
=80×4
=320.
=138-105
=33;
(2)(54+181)÷5
=235÷5
=47;
(3)50+60÷5
=50+12
=62;
(4)40×9÷6
=360÷6
=60;
(5)60×3+20
=180+20
=200;
(6)(42+38)×4
=80×4
=320.
练习册系列答案
相关题目