题目内容
[1.65÷(
+0.8)-(0.5+
)×
]÷(
-
)
| 1 |
| 4 |
| 1 |
| 3 |
| 24 |
| 35 |
| 3 |
| 4 |
| 1 |
| 2 |
=4
=4
.分析:算式中含有分数和小数,可将式中的小数化为分数,通过通分、约分进行巧算.
解答:解:[1.65÷(
+0.8)-(0.5+
)×
]÷(
-
)
=[1
÷(
+
)-(
+
)×
]÷
,
=[
×
-
×
]×4,
=[
-
]×4,
=4.
故答案为:4.
| 1 |
| 4 |
| 1 |
| 3 |
| 24 |
| 35 |
| 3 |
| 4 |
| 1 |
| 2 |
=[1
| 13 |
| 20 |
| 1 |
| 4 |
| 4 |
| 5 |
| 1 |
| 2 |
| 1 |
| 3 |
| 24 |
| 35 |
| 1 |
| 4 |
=[
| 33 |
| 20 |
| 20 |
| 21 |
| 5 |
| 6 |
| 24 |
| 35 |
=[
| 11 |
| 7 |
| 4 |
| 7 |
=4.
故答案为:4.
点评:在完成含有分数与小数的算式中,要根据式中数据的特点灵活的将小数与分数进行互化.
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