题目内容
(2012?资中县模拟)
直接写出下面各题的结果. 127+38= |
1.02-0.43= | 8.8÷0.2= | 2-1
| ||||||||||||
|
1÷7+
|
1-1×
|
| ||||||||||||
|
14÷
|
0.23×4= | 5×3.14= | ||||||||||||
700×0.01%= |
|
|
|
分析:依据四则运算计算方法,先算第二级运算,再算第一级运算,如果只含有同一级运算,按照从左到右顺序计算,有括号先算括号里面的解答.
解答:
故答案依次为:165,0.59,44,
,1,1,
,1
,6,16,0.032,15.7,0.07,
,0.125,4.
解:127+38=165; | 1.02-0.43=0.59; | 8.8÷0.2=44; | 2-1
| ||||||||||||||||
|
1÷7+
|
1-1×
|
| ||||||||||||||||
|
14÷
|
0.23×4=0.032; | 5×3.14=15.7; | ||||||||||||||||
700×0.01%=0.07; |
|
|
|
1 |
7 |
2 |
3 |
7 |
12 |
1 |
9 |
点评:本题主要考查学生对于四则运算计算方法掌握,解答时保证计算的准确性.
练习册系列答案
相关题目