Tong so hoc sinh gioi cua truong Bach Dang va truong Chien Thang la 468 hoc sinh .Biet rang 1/4 so hoc sinh gioi cua truong Bach Dang bang 1/5 so hoc sinh gioi cua truong Chien Thang .Tinh so hoc sinh gioi cua moi truong

tong so hoc sinh gioi cua truong bach dang va truong chien thang la 468 em. biet rang 1/4 so hoc hoc sinh cua truong bach dang bang 1/5 so hoc sinh gioi cua trung chien thang. tinh so hoc sinh gioi cua moi truong

Bai 20:Ve doan thang AB dai 2cm va doan thang BC dai 3cm roi ve duong trung truc cua moi doan thang ay (Ve hinh trong hai truong truong hop:ba diem A,B,C khong thang hang,ba diem A,B,C thang hang)

mot truong tieu hoc co 425 ban hoc sinh .thang thu nhat truong do danh duoc 820 bong hoa diem tot,thang thu hai danh duoc 855 bong hoa diem tot,thang thu ba danh duoc 875 bong hoa diem tot.hoi trang ca ba thang do trung binh moi ban hoc sinh cua truong danh duoc bao nhieu bang hoa diem tot?

truong tieu hoc thang loi co 600 hs trong do so hs nam chiem54,5 % hoi truong do co bao nhieu hs nam ,hs nu 

a/Cho 3 diem A,A,C thang hang thi co may truong hop hinh ve?

b/Trong moi truong hop,co may diem nap giua hai diem con lai?

c/Hay noi cach ve ba diem khong thang hang.

a/Cho ba diem A,B,C thang hang thi co may truong hop hinh ve?

b/Trong moi truong hop,co may diem nam giua hai diem con lai?

c/Hay noi cach ve ba diem khong thang hang

trong dot quyen gop ung ho hs lu lut truong tieu hoc thanh cong thu duoc 1475 quyen vo truong tieu hoc thang loi thu duoc so vo it hon truong thanh cong la 183 quyen vo hoi ca 2 truong thu duoc bao nhieu quyen vi

Trong dot quyen gop ung ho hoc sing vung lu lut,Truong tieu hoc Thanh Cong da quyen gop duoc 1475 quyen vo,Truong tieu hoc Thang Loi quyen gop duoc it hon Truong tieu hoc Thanh Cong 184 quyen vo. Hoi ca hai truong quyen gop duoc bao nhieu quyen vo?

thang ban oc cho cua toi la minh quan ngu hon lop truong cua toi rat nhieu nhung no di thi no lai nhieu diem hon lop truong hoi vi sao