题目内容
| 768÷8+349 | 952÷(2×4) | (28+44)×48 | 576÷3÷4 |
分析:(1)先算除法再算加法;
(2)先算小括号里面的乘法,再算括号外的除法;
(3)先算小括号里面的加法,再算括号外的乘法;
(4)按照从左到右的顺序计算.
(2)先算小括号里面的乘法,再算括号外的除法;
(3)先算小括号里面的加法,再算括号外的乘法;
(4)按照从左到右的顺序计算.
解答:解:(1)768÷8+349,
=96+349,
=445;
(2)952÷(2×4),
=952÷8,
=119;
(3)(28+44)×48,
=72×48,
=3456;
(4)576÷3÷4,
=192÷4,
=48.
=96+349,
=445;
(2)952÷(2×4),
=952÷8,
=119;
(3)(28+44)×48,
=72×48,
=3456;
(4)576÷3÷4,
=192÷4,
=48.
点评:本题先找出运算的顺序,然后根据运算顺序逐步求解即可.
练习册系列答案
相关题目