题目内容
| 计算下列各题 ①5400-2940÷28×27 |
②(
|
③10÷[
|
分析:根据整数四则混合运算和分数四则混合运算进行计算即可得到答案.
解答:解:①5400-2940÷28×27
=5400-2940÷28×27,
=5400-105×27,
=5400-2835,
=2565;
②(
+
)÷
+
=
×
+
,
=
+
,
=1
;
③10÷[
-(
÷
+
)]
=10÷[
-(2+
)],
=10÷[
-2
],
=10÷
,
=37
.
=5400-2940÷28×27,
=5400-105×27,
=5400-2835,
=2565;
②(
| 4 |
| 5 |
| 1 |
| 4 |
| 7 |
| 3 |
| 7 |
| 10 |
=
| 21 |
| 20 |
| 3 |
| 7 |
| 7 |
| 10 |
=
| 9 |
| 20 |
| 7 |
| 10 |
=1
| 3 |
| 20 |
③10÷[
| 8 |
| 3 |
| 5 |
| 13 |
| 5 |
| 26 |
| 2 |
| 5 |
=10÷[
| 8 |
| 3 |
| 2 |
| 5 |
=10÷[
| 8 |
| 3 |
| 2 |
| 5 |
=10÷
| 4 |
| 15 |
=37
| 1 |
| 2 |
点评:此题主要考查的是整数四则混合运算和分数四则混合运算的计算方法.
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