问题 填空题
用“>”或“<”填空:
(1)-32______(-2)3
(2)|-3|3______(-3)2
(3)(-0.2)2______(-0.2)4
(4)(
1
2
)
2
______(
1
3
)
2
答案

(1)-32=-9,(-2)3=-8,

∵-9<-8,

∴-32<(-2)3

(2)|-3|3=27,(-3)2=9,

∵27>9,

∴|-3|3>(-3)2

(3)(-0.2)2=0.04,(-0.2)4=0.0016,

∵0.04>0.0016,

∴(-0.2)2>(-0.2)4

(4)(

1
2
2=
1
4
,(
1
3
2=
1
9

1
4
1
9

∴(

1
2
2>(
1
3
2

故答案为:<,>,>,>.

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