Các câu hỏi tương tự
cho so a =2^13 x 5^7 tim so cac chu so cua a
giai chi tiet
thu gon cac don thuc va chi ra phan he so cua chung 5x mu 2 nhan 3xy mu 2
tim cac gia tri cua x de bieu thuc sau nhan gia tri am
a)x mu 2 + 5x b)x mu 2 - 5/2x c)3(2x+3)(3x-5) d)x - 2/x-6 e) x mu 2 -1/x mu 2
tim chu so tan cung cua 4 mu 205 cong voi 7 mu 43
tim cac gia tri cua x de bieu thuc sau nhan gia tri duong
a) x mu 2 + 4x b)2x mu 2 - 4x c)(x-3)(x+7) d)5(3x +1 )(4x-3) e)(1/2-x)(1/3-x)
Tim x,y la so nguyen
a) 2x-3y+5= xy
b) x mu 2 +2xy+2x+4y
B2 Tim x,y la so nguyen to
x mu 2 -2y mu 2 =1
B3 Tim so tu nhienx,y
7 .(x-2004) mu 2 = 23- y mu 2
1,
Cho a=2^13.5^7 . Tim so cac chu so cua so a
2 ,
Cho b=3^2009.7^2010.13^2011 . Tim chu so hang don vi cua b
tim cac tu nhien a va b sao cho 2 mu a + 2 mu b = 2 mu a+b
tim cac tu nhien a va b sao cho 2 mu a + 2 mu b = 2 mu a+b