题目内容
比较大小:
(
)2______(-
)2; -2
______-
;-(-5)______|-5|;
+(-
)______-(-
);|-0.1|______|0.01|;-24______(-2)4.
(
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 2 |
+(-
| 2 |
| 3 |
| 2 |
| 5 |
∵(
)2=
,(-
)2=
,∴(
)2<(-
)2;
∵|-2
|=2
,|-
|=
,∴-2
<-
;
∵-(-5)=5,|-5|=5,∴-(-5)=|-5|;
∵+(-
)=-
,-(-
)=
,∴+(-
)<-(-
);
∵|-0.1|=0.1,|0.01|=0.01,∴|-0.1|>|0.01|;
∵-24=-16,(-2)4=16,∴-24<(-2)4.
故答案为<,<,=,<,>,<.
| 2 |
| 3 |
| 4 |
| 9 |
| 3 |
| 4 |
| 9 |
| 16 |
| 2 |
| 3 |
| 3 |
| 4 |
∵|-2
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
∵-(-5)=5,|-5|=5,∴-(-5)=|-5|;
∵+(-
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 3 |
| 2 |
| 5 |
∵|-0.1|=0.1,|0.01|=0.01,∴|-0.1|>|0.01|;
∵-24=-16,(-2)4=16,∴-24<(-2)4.
故答案为<,<,=,<,>,<.
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