7k voi k€n
Moi nguoi giup mik bai nay voi cai nay cua bai uoc chung va boi chung cua Sbt nha
Ai giup mik thi mik se like
Viet nam noi la lam
bay minh lam bai 213,214,215,216,217,218,219 sbt trang 33
Giup to bai nay voi : Chung minh voi n thuoc N sao phan so sau la phan so toi gian 4n+1/6n+1
giup minh voi bai toan phan so nha
2 phan 15 + 2 phan 35 + 2 phan 63 ....+2 phan 399
10 phan 56 + 10 phan 140 + 10 phan 260 +....+ 10 phan 1400
neu giup dc thanks ca nha
ban An lam phep tinh tru trong do SBT la so co 3 chu so ,ST la so gom chinh 3 chu so ay viet theo thu tu nguoc lai .An tinh duoc ket qua =188. Hay chung to An tinh sai
Giup minh voi nhe
ai lam bai "Ti so vang" toan So hoc trang 68 SGK 6 tap 2 chua, giup minh voi.
giai giup minh minh bai lam su phu
/ x - 2 / + 4x = 17
/ x + 1 / - 2x = -10
2xy - x + 4y = 11
lam on lam phuc minh sap phai nop bai cho co roi
x la so nguyen
5^6 .......6^9
bai so sanh luy thua
giup minh voi minh luoi tu giai lam
cho minh hoi bai 1.3 phan hinh hoc tr 82 sbt toan 6 tap 2