biet 84 x 4 =336
tich tren thay doi the nao neu tang thua so thu 2 len 4 don vi . thua so kia giu nguyen
chon dap an
1 . 4 x 84 don vi { 336 + 4 x 84 = 672 }
2 . 4 x4 don vi { 366 + 4 x 4 = 352 }
3 . 4 don vi { 366 + 4 = 340 }
4 . 4 lan { 366 x 4 = 1344 }
minh dang can bai nay mong cac ban giup minh nhe
ai giup minh thi minh se ket ban
tim y
(y+1)+(y+2)+(y+3)+(y+4)+................+(y+9)=648
GIUP MINH NHE MINH TICK CHO
Tim 3 phan so bang phan so 12/15
cac ban ghi ro lam the nao ra duoc ket qua do giup minh voi nhe
minh xin cam on cac ban da giup minh
1/2 x 2/3 x 3/4 x 4/5 x ... x 2016/2017 x 2017/2018
cac ban lam ho minh nhe
giup minh tim x va cach giai vs nha :2/3x(x+1)=4/5
tim x đe 37+2x5 chia het cho 3
giup minh nhe cacban!
Tong cua 2 so la so tu nhien bang 1092 . Neu o so hang thu nhat lan luot thay chu so hang don vi la 9 thanh 3 ,that chu so hang chuc la 7 thanh 1 thi duoc so hang thu hai .Tim hai so do ? ming cac ban giup minh giai bai toan nay nhe va nho co ca loi giai nha cac ban nhe ?
giup minh voi.
bai toan:tu 1 den 2017 co bao nhieu chu so 1 va 5
hay giup minh nhe,va dung quen viet dap so ra nhe cac ban!
Giup minh cai.....
Hieu cua hai so la 738 . Tim hai so do , biet rang so thu nhat giam 10 lan thi duoc so thu hai . Toan lop 4 nhe cac ban .......