题目内容
在横线里填上适当的运算符号.
=
=
=
.
| 5 |
| 8 |
+
+
| 1 |
| 8 |
| 3 |
| 4 |
| 16 |
| 24 |
-
-
| 10 |
| 24 |
| 1 |
| 4 |
| 5 |
| 10 |
+
+
| 2 |
| 10 |
+
+
| 1 |
| 10 |
| 4 |
| 5 |
分析:(1)因为最后的结果是
,根据数字特点可知:
+
=
=
;据此解答即可;
(2)因为最后的结果是
,根据数字特点可知:
-
=
=
;据此解答即可;
(3)因为最后的结果是
,根据数字特点可知:
+
+
=
=
;据此解答即可.
| 3 |
| 4 |
| 5 |
| 8 |
| 1 |
| 8 |
| 6 |
| 8 |
| 3 |
| 4 |
(2)因为最后的结果是
| 1 |
| 4 |
| 16 |
| 24 |
| 10 |
| 24 |
| 6 |
| 24 |
| 1 |
| 4 |
(3)因为最后的结果是
| 4 |
| 5 |
| 5 |
| 10 |
| 2 |
| 10 |
| 1 |
| 10 |
| 8 |
| 10 |
| 4 |
| 5 |
解答:解:
+
=
=
;
-
=
=
;
+
+
=
=
;
故答案为:+,-,+,+.
| 5 |
| 8 |
| 1 |
| 8 |
| 6 |
| 8 |
| 3 |
| 4 |
| 16 |
| 24 |
| 10 |
| 24 |
| 6 |
| 24 |
| 1 |
| 4 |
| 5 |
| 10 |
| 2 |
| 10 |
| 1 |
| 10 |
| 8 |
| 10 |
| 4 |
| 5 |
故答案为:+,-,+,+.
点评:这种题没有规律,只能思维灵活地根据数字特点,恰当加上运算符号和括号使等式成立.
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