3×25%+3×3413+23÷50%(16+110+215)×3014÷(1-12-14)58×36+38×36-36400÷(1+13)-200×12056×(25×17)27×45+27÷5.-数学

13+
2
3
÷50%,
=
1
3
+
2
3
÷
1
2

=
1
3
+
2
3
×2,
=
1
3
+
4
3

=
5
3


(3)(
1
6
+
1
10
+
2
15
)×30,
=
1
6
×30+
1
10
×30+
2
15
×30,
=5+3+4,
=12;

(4)
1
4
÷(1-
1
2
-
1
4
),
=
1
4
÷
1
4

=1;

(5)
5
8
×36+
3
8
×36-36,
=(
5
8
+
3
8
-1)×36,
=0×36,
=0;
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