Задание 47. Запишите выражение в виде произведения.

Привет! Давай решим эти примеры на вынесение общего множителя за скобки. 2) $7b + 2b = (7 + 2) \cdot b = 9b$ 3) $4x + 3x = (4 + 3) \cdot x = 7x$ 4) $2y + 2y = (2 + 2) \cdot y = 4y$ 5) $8c + 3c = (8 + 3) \cdot c = 11c$ 6) $9k + 10k = (9 + 10) \cdot k = 19k$ 7) $13p + 17p = (13 + 17) \cdot p = 30p$ 8) $6t + 11t = (6 + 11) \cdot t = 17t$ 9) $5m + m = (5 + 1) \cdot m = 6m$ 10) $s + s = (1 + 1) \cdot s = 2s$ 11) $9k - 3k = (9 - 3) \cdot k = 6k$ 12) $12x - 7x = (12 - 7) \cdot x = 5x$ 13) $68n - 15n = (68 - 15) \cdot n = 53n$ 14) $10p - p = (10 - 1) \cdot p = 9p$ 15) $15b - 6b = (15 - 6) \cdot b = 9b$ 16) $43s - 23s = (43 - 23) \cdot s = 20s$ 17) $77m - 55m = (77 - 55) \cdot m = 22m$ 18) $31c - c = (31 - 1) \cdot c = 30c$ 19) $83q - 80q = (83 - 80) \cdot q = 3q$ 20) $50t - 25t = (50 - 25) \cdot t = 25t$ 22) $9m - 6m + 1m = (9 - 6 + 1) \cdot m = 4m$ 23) $4a + 4a + 3a = (4 + 4 + 3) \cdot a = 11a$ 24) $12t - 10t + 18t = (12 - 10 + 18) \cdot t = 20t$ 25) $30b - 4b - 15b = (30 - 4 - 15) \cdot b = 11b$ 26) $90y + 5y - 85y = (90 + 5 - 85) \cdot y = 10y$ 27) $33s - s - s = (33 - 1 - 1) \cdot s = 31s$ 28) $x + x + x = (1 + 1 + 1) \cdot x = 3x$ 29) $3l - l - l = (3 - 1 - 1) \cdot l = 1l = l$ 30) $26c + 14c - 39c = (26 + 14 - 39) \cdot c = 1c = c$