khai niem ban do,tile ban do ,cac dang ti le ban do .ke ten cac loai,cac dang ki hieu ban do.tai sao phai xem phan chu giai .vd ve tinh ti le ban do

ban nao dung va nhanh mk tick cho 3 tik

co giao xep cac ban trong lop vao cac ban hoc moi ban 2 ban thi thua 1 ban.co giao de ban do ngoi rieng 1 minh vao ban cuoi cung. nhu vay cac ban da ngoi het vao 12 ban hoc cua lop .vay lop do co so ban la bao nhieu

giai bai (29,30,33,34,35) voi cac ban oi ...mong cac ban giup do

Tong hai so la 2010 hieu hai so la 10 tim hai so do ( co ve so do) cac ban ve so do ho minh nhe!!!  Thanks cac ban nhìu!!!!!

Xin chao tat ca cac ban , minh ten la Linh . Minh hay duoc goi la Bi Bo . Minh moi lap nich nen chua co ban . Cac ban ket ban voi minh nha . Mong cac ban giup do

DO CAC BAN  OI MINH CO MOT CAU HOI CHO CAC BAN DAY

Lop em co 32 ban . trong do co 14 ban nu. Hoi cac ban nu chiem bao nhieu phan tram so cac ban cua lop em ?

Trinh tu cac gen tren NST co cac tan so tai to hop sau: A->B=8 don vi ban do ,A->C =28 don vi ban do ,A->D don vi ban do;B->C 20 don vi ban do

;B->D =33don vi ban do

A)D-A-B-C

B)A-B-C-D

c)A-D-B-C

D)B-A-D-C

giup mik nha cac ban

thanksssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss

mh do cac ban nha 

1 tàu chở hàng co ma so 13011.Hoi tau do cho gi? Mh doi cau tra loi cua cac ban nha.

cac ban giup minh nha minh dang can gap !

cac ban lay sach GDCD trang 32,33,34 cac ban giup minh tra loi het nha!

nho dung lay tren mang do