Ŀ

12+(-6)+0+1
1
4
+(-3.5)

2++18-|-14|-+8--1
3-1
1
2
3
4
(-0.2)1
1
4
1.4(-
5
7
)

4(-6)(-3
1
7
)-(-7)3
1
7
+13(-3
1
7
)

539
23
24
(-12)

6-14-(
13
17
-
11
18
)[4-(-2)2]

7[-1
5
8
-(
7
9
-
11
12
+
1
6
)36]5

8-1
1
2
[1-3(-
3
2
)
2
]-(
1
4
)2(-2)3(+
3
4
)3
1ԭʽ=2+1
1
4
-3.5=3.25-3.5=-0.25
2ԭʽ=18-14-8+1=-3
3ԭʽ=-
3
2
3
4
-
1
5
5
4
5
7
-
7
5
=-
9
32

4ԭʽ=6
22
7
+7
22
7
-13
22
7
=
22
7
6+7-13=0
5ԭʽ=40-
1
24
-12=-480+
1
2
=-479
1
2

6ԭʽ=-1-
13
17
-
11
18
4-4=-1
7ԭʽ=-
13
8
-28+33-6
1
5
=-
13
40
-
1
5
=-
21
40

8ԭʽ=-
3
2
1-3
4
9
-
1
16
-8
64
27
=
1
2
+
32
27
=
91
54
ϰϵд
Ŀ

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