\(6x+4x=2010\)
\(10x=2010\)
\(x=2010:10=201\)
6x + 4x = 2010
x . ( 6 + 4 ) = 2010
x . 10 = 2010
x = 2010 : 10
x = 201
\(6x+4x=2010\)
\(10x=2010\)
\(x=2010:10=201\)
6x + 4x = 2010
x . ( 6 + 4 ) = 2010
x . 10 = 2010
x = 2010 : 10
x = 201
Tim x
2+4+6+.......+x =2010
Tim 2 so chan lien tiep co tong la 2010
tim hai so le lien tiep biet tong chung la 2010
S= 1/1/2001+1/2002+1/2003+...+1/2009+1/2010
tim S
u nhien a lon nhat de thoa man dieu kien :12,5.a<2010 . tim so a
Tim 2 so chan co trung binh la 2010 . Biet giua chung co 5 so chan va 6 so le
cau 1 tinh bang cach hop li
2011 nhân 2010 trừ 1
2009 nhân 2011 cộng 2010
b 10,11 cộng 11,12 cộng 12,13 cộng....... cộng 97,98 cộng 98,99 cộng 99,100
cau 2 tim x biet
x cộng x chia 5 nhân 7,5 cong x cia 2 nhân 9 bằng 315
tong cua 3 so la 2010 so thu nhat lon hon tong 2so kia la 10 neu bot so thu 2 di 100 don vi thi duoc so thu 3. Tim so thu 3
tim x [x+1]+[x+2]+[x+3]+......+{x+10]=2010