Mathematics
Junior High
去掛號的變數是怎麼變的？
<熟能生巧4>
計算下列各式的值:
1)
" "
二
5
14
7
5
+(-
(--
]
12
14
培
培贵
12
十一
13
21
9/07/09/0
8
(-)-((-
=
21
(一)+176
= (-)-
十ī
b
= -1 +16
7
13
21
91
]
IS
◎配
Answers
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