Question

湄

國一數學謝謝啦

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解:(1)
2
= 2x2x2
E3X3
* =8
( (-2)
(2)
=(-2) X (-2) X(-2)
= -1
(5)
( (-12.00
- AND
(3).
-2
--ZX-2 X-2
- =- 8
国(講解範例 2
Q"
含
計算下列各式的值:
(1) 15-(-4) +36:(-3)
(2) [(-1)-2]×(5-9)×(-3
解:5-1-4) +365(-3)
[(-1)-2]X (5
- 3X4x9-
= 15-1-64) +36= (-9)
=15-164)44
=4944
= 108-121
5-13
--58
X
素養基本功練習
(C)1.下列選項何者正確?