(
36
+
27
)
+
93
=
36
+
(
____________________
+
____________________
)
=
____________________
-
(
54
+
39
)
+
61
=
____________________
+
(
____________________
+
61
)
=
____________________
-
(
98
+
53
)
+
47
=
____________________
+
(
____________________
+
47
)
=
____________________
-
67
+
(
33
+
23
)
=
____________________
+
____________________
)
+
____________________
=
____________________
-
86
+
(
14
+
39
)
=
(
____________________
+
____________________
)
+
____________________
=
____________________
-
96
+
(
4
+
58
)
=
(
____________________
+
____________________
)
+
____________________
=
____________________
