题目内容
计算下列各题:
|
|
|
3×
|
分析:本题的计算都是乘除混合运算,按照从左到右的顺序计算即可.
解答:解:(1)
×34×
=14×
=
;
(2)
÷15÷
=
×
=
;
(3)
×
÷
=
×6
=
;
(4)3×
÷
=
÷
=
.
| 7 |
| 17 |
| 5 |
| 24 |
=14×
| 5 |
| 24 |
=
| 35 |
| 12 |
(2)
| 3 |
| 4 |
| 5 |
| 6 |
=
| 1 |
| 20 |
| 6 |
| 5 |
=
| 3 |
| 50 |
(3)
| 3 |
| 10 |
| 3 |
| 10 |
| 1 |
| 6 |
=
| 9 |
| 100 |
=
| 27 |
| 200 |
(4)3×
| 4 |
| 9 |
| 3 |
| 8 |
=
| 4 |
| 3 |
| 3 |
| 8 |
=
| 32 |
| 9 |
点评:本题考查了简单的四则混合运算,计算时先理清楚运算顺序,根据运算顺序逐步求解即可.
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