Dương Lê Minh Đức
Giới thiệu về bản thân
♚✼︻╦̵̵͇̿̿̿̿╤──✼♚
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2024-12-22 20:20:05
2024-12-22 19:58:20
2024-12-17 20:18:07
A= { -3; -2; -1; 0; 1; 2 }
2024-12-15 19:51:56
M = 5 + 53 + 55 + ... + 599
52M = 53 + 55 + 57 + ... + 5101
25M - M = ( 53 + 55 + 57 + ... + 5101 ) - ( 5 + 53 + 55 + ... + 599
)
24M = 5101 - 5
M = \(\dfrac{5^{101}-5}{24}\)
2024-12-12 19:41:48
( - 17 ) . 45 . 0 . ( - 2 )
= ( -17 ) . 0 . ( - 2 )
= 0 . ( - 2 )
=0
2024-12-05 20:41:57
0,33 + 0,38 + 0,67 + 12%
= 0,33 + 0,38 + 0,67 + 0,12
= ( 0,33 + 0,67 ) + ( 0,38 + 0,12 )
= 1 + 0,5
= 1,5
2024-12-05 20:39:48
( 75 x 54 + 175 x 54 ) : ( 20 x 25 x 125 - 625 x 75 )
= [ 54 x ( 75 + 175 ) ] : ( 100 x 625 - 625 x 75 )
= ( 54 x 250 ) : ( 54 x 25 )
= 250 : 25
= 10
2024-12-05 20:33:26
3/2 = 60/40
4/5 = 32/40
2024-12-05 20:31:20
( x + 26 ) - 18 = 12
x + 26 = 12 + 18
x + 26 = 30
x = 30 - 26
x = 4
2024-12-02 20:00:07
25 - (-17) +24 -12
= 25 + 17 + 24 - 12
= 42 + 24 -12
= 66 - 12
= 54