PV
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K
Khách
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HT
2
1 tháng 1 2016
Sai r
Ta có :11880=23.33.5.11=9.10.11.12
Suy ra số bé nhất là 9
Tick mk nha
1 tháng 1 2016
Đặt: (2^x+1)(2^x+4)=n, thì (2^x+2)(2^x+3)=n+2
Ta có n(n+2)= 11879 + 5^y
n^2 + 2n +1 =11880 +5^y
(n+1)^2 = 11880 + 5^y (chia hết cho 5)
Xét y khác 0
=> n+1 chia hết cho 5
=>2^2x + 5.2^2x +5 chia hết cho 5
=> 2^2x chia hết cho 5
vô lí (?)
Xét y =0
thì (n+1)^2=11881
n+1=109
n =108
Tick mk nha
NT
1
27 tháng 12 2015
Ta có:
11880=23.33.5.11=9.10.11.12
=>số bé nhất là 9
Mình đầu tiên nhé
DT
0
PA
0
PT
4
1 tháng 1 2017
Bốn số tự nhiên liên tiếp có tích bằng 11880. Số bé nhất là
LP
0
HN
1
N
3
LQ
1
So be nhat la : 9 nha Phạm Văn Khánh
Ta có: \(11880=2^3.3^3.5.11=3^2.\left(2.5\right).11.\left(2^2.3 \right)=9.10.11.12\)
Vậy số bé nhất là 9.
ai cho 2 cái li-ke cho tròn 90 đi
Là 9 á bn
1000000000000000% luôn
ĐS là 9nha bạn .
nhớ k cho mình nha bạn.
Đúng 100000000000000000000000000000000000% luôn đó
là 9 nha các bạn
chắc chắn 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000% luôn
là 9 nha các bạn
chắc chắn
100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%
Đ/S:9
chac chan 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%
nho
dap an la 9 dung 100% minh thi giai toan violympic
9 la dung
999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
9 nha 100%luôn
9 nha ban
là 9 nha chắc chắn 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%
9 nha ban
mk chắc 100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000%