Ответ: 465-469=-4(минус 4)
Пусть в пакеты насыпали по х кг.
тогда муки было 8х кг, а сахара 6х
8х-10=6х
8х-6х=10
2х=10
х=10/2
х=5 кг.
8*5=40 кг муки
6*5=30 кг сахара
42 6 42 6 42 6 21
---------------------- - ----- = ----------------- - ----- = ---------- - ------ = ----- -
((7*-68)-(-68*-68) -68 -476 + 4624 -68 4148 -68 2074
6 42- 366 -324 162 81
----- = --------------- = ---------------- = ------------ = ------------
-68 4148 4148 2074 1037
как то так)
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