题目内容
脱式计算.
384-384÷24 | 175+25×35 | 512÷(85-21) | (85+230)÷15. |
考点:整数四则混合运算
专题:计算题
分析:(1)先算除法,再算减法;
(2)先算乘法,再算加法;
(3)先算减法,再算除法;
(4)先算加法,再算除法.
(2)先算乘法,再算加法;
(3)先算减法,再算除法;
(4)先算加法,再算除法.
解答:
解:(1)384-384÷24
=384-16
=368;
(2)175+25×35
=175+875
=1050;
(3)512÷(85-21)
=512÷64
=8;
(4)(85+230)÷15
=315÷15
=21.
=384-16
=368;
(2)175+25×35
=175+875
=1050;
(3)512÷(85-21)
=512÷64
=8;
(4)(85+230)÷15
=315÷15
=21.
点评:整数混合运算的关键是抓住运算顺序,正确按运算顺序计算即可.
练习册系列答案
相关题目