\[\boxed{\ \mathbf{466\ (428)}.\ Еуроки\ - \ ДЗ\ без\ мороки}\]
Пояснение.
Решение.
\[1)\ 6a + 8a = a(6 + 8) =\]
\[= a \cdot 14 = 14a\]
\[2)\ 28c - 15c = c(28 - 15) =\]
\[= 13c\]
\[3)\ m + 29m = m(1 + 29) =\]
\[= 30m\]
\[4)\ 98p - p = p \cdot (98 - 1)\text{=}97p\]
\[5)\ 4x + 13x + 15x =\]
\[= x(4 + 13 + 15) = 32x\]
\[6)\ 67z - 18z + 37 =\]
\[= z(67 - 18) + 37 = 49z + 37\]