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56
+
78
56+78
5
6
+
7
8
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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"(x+1)/2+4=7"
"factor x^2+5x+6"
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56+78
56+78
56+78
Available Methods
Algorithm
Partial Sum
Decomposition
1
Use the algorithm method.
1
1
5
6
+
7
8
1
3
4
2
Therefore,
56
+
78
=
134
56+78=134
5
6
+
7
8
=
1
3
4
.
134
134
1
3
4
Done
134
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