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Pre-Algebra
Add -14+21-182+210
−
14
+
21
−
182
+
210
-
14
+
21
-
182
+
210
Step 1
Add
−
14
-
14
and
21
21
.
7
−
182
+
210
7
-
182
+
210
Step 2
Subtract
182
182
from
7
7
.
−
175
+
210
-
175
+
210
Step 3
Add
−
175
-
175
and
210
210
.
35
35
−
1
4
+
2
1
−
1
8
2
+
2
1
0
-
1
4
+
2
1
-
1
8
2
+
2
1
0
(
(
)
)
|
|
[
[
]
]
√
√
≥
≥
π
π
7
7
8
8
9
9
≤
≤
4
4
5
5
6
6
/
/
^
^
×
×
>
>
!
!
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
,
,
0
0
.
.
%
%
=
=
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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