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Quoc Tran Anh Le Coodinator
02/03/2019 at 13:19-
Huy Toàn 8A (TL) 02/03/2019 at 13:29C1: We have : 3x + 4x + 5x = x (3 + 4 + 5)
Replace x = 10 <=> 10 ( 3 + 4 + 5) = 10 . 12 = 120
C2 : 3x + 4x + 5x <=> 3 . 10 + 4 . 10 + 5 . 10 = 30 + 40 + 50 = 120
Quoc Tran Anh Le selected this answer.
Quoc Tran Anh Le Coodinator
02/03/2019 at 13:19
Quoc Tran Anh Le Coodinator
28/02/2019 at 15:14-
Huy Toàn 8A (TL) 01/03/2019 at 04:01
We have
\(\dfrac{2}{8}.\dfrac{5}{7}=256.78125=20000000\)
\(=>1000000000:\left(\dfrac{2}{8}.\dfrac{5}{7}\right)=1000000000:20000000=50\)
The answer is 50
Quoc Tran Anh Le selected this answer. -
Thanh Hải Đặng 16/03/2019 at 05:261 000 000 000 =109=29.59
\(\Rightarrow\)1000000000 / (28x57)=2*52=50
The answer ís 50
Quoc Tran Anh Le Coodinator
28/02/2019 at 15:14-
Kaka Lot 02/03/2019 at 13:33This is two
Quoc Tran Anh Le Coodinator
28/02/2019 at 15:13-
Huy Toàn 8A (TL) 01/03/2019 at 03:54
We have : primes from 20 to 30 are 23,29
=> total : 23 + 29 = 52
The answer í 52
Quoc Tran Anh Le selected this answer.
Quoc Tran Anh Le Coodinator
28/02/2019 at 14:44
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Uchiha Sasuke
28/02/2019 at 12:27
Quoc Tran Anh Le Coodinator
27/02/2019 at 11:14
