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2023-12-26 20:29:39
y x \(\dfrac{1}{10}\) + y x \(\dfrac{9}{10}\) = 10
y x (\(\dfrac{1}{10}\) + \(\dfrac{9}{10}\)) = 10
y x 1 = 10
y = 10 : 1
y = 10
2023-11-26 22:12:47
3,25 x 2 + 3,25 x 4 + 3,25 x 3 + 3,25
= 3,25 x 2 + 3,25 x 4 + 3,25 x 3 + 3,35 x 1
= 3,25 x (2+4+3+1)
= 3,35 x 10
= 33,5
2023-11-26 20:51:32
72,9 x 99 + 72 + 0,9
72,9 x 99 + 72 ,9
= 72,9 x 99 + 72,9 x 1
= 72,9 x (99+1)
= 72,9 x 100
= 7290