题目内容
| 9 |
| 10 |
| 5 |
| 6 |
| 2 |
| 5 |
| 13 |
| 25 |
| 1 |
| 2 |
考点:整数、分数、小数、百分数四则混合运算
专题:运算顺序及法则
分析:先算括号内的,再算括号外的乘法和除法,最后算加法.
解答:
解:
×(
+
)÷
+1
÷1.6
=
×
×
+
÷
=
+
×
=
+
=
+
=
| 9 |
| 10 |
| 5 |
| 6 |
| 2 |
| 5 |
| 13 |
| 25 |
| 1 |
| 2 |
=
| 9 |
| 10 |
| 37 |
| 30 |
| 25 |
| 13 |
| 3 |
| 2 |
| 8 |
| 5 |
=
| 333 |
| 156 |
| 3 |
| 2 |
| 5 |
| 8 |
=
| 333 |
| 156 |
| 15 |
| 16 |
=
| 1332 |
| 624 |
| 585 |
| 624 |
=
| 1917 |
| 624 |
点评:完成此题,应注意运算顺序和运算法则,以及数字的相互转化.
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