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5
5
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3
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Mathematics, 14.02.2020 03:47 sokalotus3448
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
Answers: 2
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