Способ 1
9
(18x+45y)
=
18x
+
45y
=2x+5y
7
(35m+42n)
35m
42n
=5m+6n
5
(10m+55n)
10m
55n
=2m+11n
13
(195a−65b)
195a
−
65b
=15a−5b
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Answers & Comments
Способ 1
9
(18x+45y)
=
9
18x
+
9
45y
=2x+5y
7
(35m+42n)
=
7
35m
+
7
42n
=5m+6n
5
(10m+55n)
=
5
10m
+
5
55n
=2m+11n
13
(195a−65b)
=
13
195a
−
13
65b
=15a−5b