nmoi nguoi giai ho minh voi
co ai bet de thi violympic chinh thuc cap tinh lop 5 vong 17 nam 2015-2016 khong ? cho minh biet cai de voi minh chop nguoi do tram like [ nmoi ngay cho mot like ] guiup minh nha bai nay ung voi gia tri ca tram like day
co ai bet de thi violympic chinh thuc cap tinh lop 5 vong 17 nam 2015-2016 khong ? cho minh biet cai de voi minh chop nguoi do tram like [ nmoi ngay cho mot like ] guiup minh nha bai nay ung voi gia tri ca tram like day
http://www.thiviolympic.com/1/math-grade-5-lop-5/463-giai-de-thi-violympic-toan-5-vong-17-cap-thanh-pho
co ai bet de thi violympic chinh thuc cap tinh lop 5 vong 17 nam 2015-2016 khong ? cho minh biet cai de voi minh chop nguoi do tram like [ nmoi ngay cho mot like ] guiup minh nha bai nay ung voi gia tri ca tram like day
co ai bet de thi violympic chinh thuc cap tinh lop 5 vong 17 nam 2015-2016 khong ? cho minh biet cai de voi minh chop nguoi do tram like [ nmoi ngay cho mot like ] guiup minh nha bai nay ung voi gia tri ca tram like day
co ai bet de thi violympic chinh thuc cap tinh lop 5 vong 17 nam 2015-2016 khong ? cho minh biet cai de voi minh chop nguoi do tram like [ nmoi ngay cho mot like ] guiup minh nha bai nay ung voi gia tri ca tram like day
so tu nhien be nhat co 4 chu so giong nhau ma so do chia het cho ca 2 ;5 ;3 va 9
co ai bet de thi violympic chinh thuc cap tinh lop 5 vong 17 nam 2015-2016 khong ? cho minh biet cai de voi minh chop nguoi do tram like [ nmoi ngay cho mot like ] guiup minh nha bai nay ung voi gia tri ca tram like day
http://www.thiviolympic.com/1/math-grade-5-lop-5/463-giai-de-thi-violympic-toan-5-vong-17-cap-thanh-pho
Giai he phuong trinh
x√y + y√x=30
x√x + y√y =35
Moi nguoi giai ho minh voi
\(\int^{x\sqrt{y}+y\sqrt{x}=30}_{x\sqrt{x}+y\sqrt{y}=35}\Leftrightarrow\int^{\sqrt{xy}\left(\sqrt{x}+\sqrt{y}\right)=30}_{\left(\sqrt{x}+\sqrt{y}\right)^3-3\sqrt{xy}\left(\sqrt{x}+\sqrt{y}\right)=35}\)
\(\Leftrightarrow\int^{\sqrt{xy}\left(\sqrt{x}+\sqrt{y}\right)=30}_{\left(\sqrt{x}+\sqrt{y}\right)^3-90=35}\Leftrightarrow\int^{\sqrt{xy}=6}_{\sqrt{x}+\sqrt{y}=5}\)
Cac ban oi giup minh voi
tim x biet 6.4/x=x/99tim cac so nguyen biet (|x|-3)(x^2+4) be hon hoac bang 4hai dia diem a va b cach nhau 90kmhai nguoi di xe dap cung mot luc tu ava bde gap nhau va ho gap nhau cach a 50km;nhung neu nguoi di tu b di nhanh hon xuat phat truoc nguoi a 1 gio thi ho gap nhau cach a 350/9km tinh van toc moi nguoiCac giai ho minh voi minh se tick cho
Cac ban nho viet ho cach lam min voi
moi nguoi giai ho em voi 125x2+2x125-3x5x125
125 x 2 + 2 x 125 - 3 x 5 x 125
= 125 x 2 + 2 x 125 - 15 x 125
= 125( 2 + 2 - 15 )
= 125 x ( -11 )
= -1375
125 x 2 + 2 x 125 - 3 x 5 x 125
125 x 2 + 2 x 125 - 15 x 125
125 x ( 2 + 2 -15 )
125 x ( - 11 ) = ( - 1357 )
Học tốt
125 . 2 + 2 . 125 - 3.5.125
= 250 + 250 - 1875
= 500 -1875
= -1375