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2024-05-20 09:29:05
a) A = 2,34 + 5,35 + 7,66 + 4,65
A = ( 2,34 + 7,66 ) + ( 5,35 + 4,65 )
A = 10 + 10
A = 20
b) B = 2,13 . 75 + 2,13 . 25
B = 2,13 . ( 75 + 25 )
B = 2,13 . 100
B = 213
c) C = 1/3 - 1/3 : 3/4
C = 1/3 - 1/3 . 4/3
C = 1/3 - 4/9
C = -1/9
2024-03-29 01:55:32
2023-04-28 08:42:06