题目内容
把下列各式写成乘方运算的形式.
(1)6×6×6=
(2)2.1×2.1=
(3)(-3)×(-3)×(-3)×(-3)=
(4)
×
×
×
×
=
(1)6×6×6=
63
63
;(2)2.1×2.1=
2.12
2.12
;(3)(-3)×(-3)×(-3)×(-3)=
(-3)4
(-3)4
;(4)
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
(
)5
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| 2 |
(
)5
.| 1 |
| 2 |
分析:分别根据有理数的乘方的定义解答即可.
解答:解:(1)6×6×6=63;
(2)2.1×2.1=2.12;
(3)(-3)×(-3)×(-3)×(-3)=(-3)4;
(4)
×
×
×
×
=(
)5.
故答案为:63;2.12;(-3)4;(
)5.
(2)2.1×2.1=2.12;
(3)(-3)×(-3)×(-3)×(-3)=(-3)4;
(4)
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
故答案为:63;2.12;(-3)4;(
| 1 |
| 2 |
点评:本题考查了有理数的乘方,是基础题,熟记乘方的意义是解题的关键.
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