Question

No4 Выполни деление:
1)
(18х + 45y) : 9:
2) (40m +55n) : 5;
3)
(195а + 65b) : 13;
4) (117m - 39n) : 13; 5) (136а - 85b) : 17;
6) (128c - 72d) : 8.
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Answer 1

Ответ:

(18х/9) + (45у/9) = 2х + 5у

(40m/5) + (55n/5) = 8m + 11n

(195a/13) + (65b/13) = 15a + 5b

(117m/13) - (39n/13) = 9m - 3n

(136a/17) - (85b/17) = 8a - 5b

(128c/8) - (72d/8) = 16c - 9d