题目内容
脱式计算. 4×8+23 |
81÷9+36 | 20÷4×7 |
7×9-17 | (54-16)÷9 | 76-18÷3. |
分析:完成本题根据四则混合运算法则计算即可:先算乘除,再算加减,有括号先算括号里面的.
解答:解:4×8+23
=32+23,
=55;
81÷9+36
=9+36,
=45;
20÷4×7
=5×7,
=35;
7×9-17
=63-17,
=46;
(54-16)÷9
=38÷9,
=4
;
76-18÷3
=76-6,
=70.
=32+23,
=55;
81÷9+36
=9+36,
=45;
20÷4×7
=5×7,
=35;
7×9-17
=63-17,
=46;
(54-16)÷9
=38÷9,
=4
2 |
9 |
76-18÷3
=76-6,
=70.
点评:本题考查了学生运用四则混合运算法则解决简单的整数四则混合运算题目的能力.
练习册系列答案
相关题目