Кто первый топ!!! 10 БАЛОВ!
Приведите подобные слагаемые:
e)6(5a + 3) - (7 + a) -2(4 - 3a) =
f)- 7(4 - b) + 3( - 2(4 - 3a) =
g) 2(12a - 1) - 6(2 - 3a) - 3(8a + 5) =
h)-5(b + 3) - (18 + b) +15(1 + 2b) =
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