Задание 47. Запишите выражение в виде произведения. 1) 6a + 2a = 2) 7b+2b= 3) 4x + 3x = 4) 2y + 2y = 5) 8c + 3c = 6) 9k+10k = 7) 13p + 17p = 8) 6t + 11t = 9) 5m + m = 10) s + s = 11) 9k-3k = 12) 12x - 7x = 13) 68n-15n = 14) 10p-p = 15) 15b-6b = 16) 43s-23s = 17) 77m-55m = 18) 31c-c = 19) 83q-80q = 20) 50t-25t = 21) 6k+12k+5k = 22) 9m-6m + 1m = 23) 4a+4a+ 3a = 24) 12t-10t + 18t = 25) 30b-4b-15b = 26) 90y+5y- 85y = 27) 33s-s-s= 28) x + x + x = 29) 3l-l-l= 30) 26c+14c- 39c =

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6a + 2a = (6+2) × a = 8a
7b + 2b = (7+2) × b = 9b
4x + 3x = (4+3) × x = 7x
2y + 2y = (2+2) × y = 4y
8c + 3c = (8+3) × c = 11c
9k + 10k = (9+10) × k = 19k
13p + 17p = (13+17) × p = 30p
6t + 11t = (6+11) × t = 17t
5m + m = (5+1) × m = 6m
s + s = (1+1) × s = 2s
9k - 3k = (9-3) × k = 6k
12x - 7x = (12-7) × x = 5x
68n - 15n = (68-15) × n = 53n
10p - p = (10-1) × p = 9p
15b - 6b = (15-6) × b = 9b
43s - 23s = (43-23) × s = 20s
77m - 55m = (77-55) × m = 22m
31c - c = (31-1) × c = 30c
83q - 80q = (83-80) × q = 3q
50t - 25t = (50-25) × t = 25t
6k + 12k + 5k = (6+12+5) × k = 23k
9m - 6m + 1m = (9-6+1) × m = 4m
4a + 4a + 3a = (4+4+3) × a = 11a
12t - 10t + 18t = (12-10+18) × t = 20t
30b - 4b - 15b = (30-4-15) × b = 11b
90y + 5y - 85y = (90+5-85) × y = 10y
33s - s - s = (33-1-1) × s = 31s
x + x + x = (1+1+1) × x = 3x
3l - l - l = (3-1-1) × l = 1l
26c + 14c - 39c = (26+14-39) × c = 1c