题目内容
计算:
4
-
+0.125
2
÷
×
2
×6
-2
÷1
.
4
| 11 |
| 12 |
| 7 |
| 8 |
2
| 5 |
| 6 |
| 34 |
| 9 |
| 1 |
| 18 |
2
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
考点:分数的四则混合运算
专题:运算顺序及法则
分析:(1)(2)按照从左到右顺序计算解答,
(3)运用乘法分配律解答.
(3)运用乘法分配律解答.
解答:
解:(1)4
-
+0.125
=4
+0.125
=4
;
(2)2
÷
×
=
×
=
;
(3)2
×6
-2
÷1
=2
×(6
-
)
=2
×6
=14.
| 11 |
| 12 |
| 7 |
| 8 |
=4
| 1 |
| 24 |
=4
| 1 |
| 6 |
(2)2
| 5 |
| 6 |
| 34 |
| 9 |
| 1 |
| 18 |
=
| 3 |
| 4 |
| 1 |
| 18 |
=
| 1 |
| 24 |
(3)2
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
=2
| 1 |
| 3 |
| 3 |
| 4 |
| 3 |
| 4 |
=2
| 1 |
| 3 |
=14.
点评:本题主要考查学生依据四则运算计算方法正确进行计算,以及正确运用乘法分配律解决问题的能力.
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