Solve
(
5
5
6

+
1
3
4

)
−
4
7
12

556+134-4712
. Select the correct solution.

A.
(
5
+
1
+
5
6

+
3
4

)
−
4
7
12

=
(
6
+
8
10

)
−
4
7
12

=
6
8
10

−
4
7
12

=
(
6
−
4
)
+
(
8
10

−
7
12

)
=
2
1
12

(5+1+56+34)-4712=(6+810)-4712=6810- 4712=(6-4)+(810-712)=2112

B.
(
5
+
1
+
10
12

+
9
12

)
−
4
7
12

=
(
6
+
19
12

)
−
4
7
12

=
7
7
12

−
4
7
12

=
11
5+1+1012+912-4712=(6+1912)-4712=771 2-4712=11

C.
(
5
+
1
−
4
)
+
(
10
12

+
9
12

−
7
12

)
=
2
+
12
12

=
2
+
1
=
3
(5+1-4)+(1012+912-712)=2+1212=2+1=3

D.
(
5
+
1
−
4
)
+
(
5
6

+
3
4

−
7
12

)
=
2
+
5
+
3
−
7
6
+
4
−
12

=
2
+
1
2

=
2
1
2

(5+1-4)+(56+34-712)=2+5+3-76+4-12=2 +12=212