Question

89*6-9*6
тоже упростить и
72*5+28*5

Answer 1

89 * 6 - 9 * 6 = 6 * (89 - 9) = 6 * 80 = 480
72 * 5 + 28 * 5 = 5 * (72 + 28) = 5 * 100 = 500

Answer 2

что?

Answer 3

89*6-9*6=534-54=480
72*5+28*5=360+140=500

Answer 4

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