题目内容
| 计算下面各题，怎样简便就怎样算． 97×
| （
|
| ||||||||||||||
（
| 5÷[（
|
（1）97×
=96×
+1×
=5+
=5
；
（2）（
-
）÷
=
×
-
×
=
-
=
；
（3）
÷23+
×
=（
+
）×
=1×
=
；
（4）（
-
×
）÷
=（
-
）×
=
×
-
×
=
-
=
；
（5）5÷[（
+
）×
]
=5÷[
×
]
=5÷
=75．
| 5 |
| 96 |
=96×
| 5 |
| 96 |
| 5 |
| 96 |
=5+
| 5 |
| 96 |
=5
| 5 |
| 96 |
（2）（
| 5 |
| 27 |
| 5 |
| 36 |
| 5 |
| 9 |
=
| 5 |
| 27 |
| 9 |
| 5 |
| 5 |
| 36 |
| 9 |
| 5 |
=
| 1 |
| 3 |
| 1 |
| 4 |
=
| 1 |
| 12 |
（3）
| 8 |
| 17 |
| 1 |
| 23 |
| 9 |
| 17 |
=（
| 8 |
| 17 |
| 9 |
| 17 |
| 1 |
| 23 |
=1×
| 1 |
| 23 |
=
| 1 |
| 23 |
（4）（
| 5 |
| 9 |
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 6 |
=（
| 5 |
| 9 |
| 1 |
| 6 |
| 6 |
| 5 |
=
| 5 |
| 9 |
| 6 |
| 5 |
| 1 |
| 6 |
| 6 |
| 5 |
=
| 2 |
| 3 |
| 1 |
| 5 |
=
| 7 |
| 15 |
（5）5÷[（
| 2 |
| 3 |
| 1 |
| 5 |
| 1 |
| 13 |
=5÷[
| 13 |
| 15 |
| 1 |
| 13 |
=5÷
| 1 |
| 15 |
=75．
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