biet ti so cua so thu nhat va so thu hai la 4/3 . hoi so thu hai bang bao nhieu phan tram so thu nhat
biet ty so cua so thu nhat va so thu hai la 4/3 hoi so thu hai bang bao nhieu phan tram so thu nhat
biet ti so cua so thu nhat va so thu hai la 4/3 . hoi so thu hai bang bao nhieu phan so thu nhat?
lam di roi tich
hai bao duong chua tong cong 52,2 kg,biet ti so phan tram so duong cua bao thu nhat va bao thu hai la 25% .hoi moi bao chua bao nhieu kg duong
cho hai so biet 2/5 so thu nhat bang 1/2 so thu hai hoi so thu nhat bang bao nhieu phan tram so thu hai
biet 2/5 so thu nhat bang 1/2 so thu hai hoi so thu nhat bang bao nhieu phan tram so thu hai??
Ai biet lam bai nay thi giup minh nhe
Trung binh cong cua ba so la 193.806 .neu dich dau phay cua so thu nhat sang ben trai 1 hang ta duoc so thu hai . dich dau phay cua so thu nhat sang ben phai 1 hang thi duoc so thu 3 . hoi so thu 3 hon so thu 2 bao nhieu
co ai giup tui khong tui can gap lam
BAI 1 : Cho day so : 5,21,53,101,165....
A.So 23765 la so hang thu may cua day?
B.So hang thu 87 la day so nao
BAI 2 : Hay chia 1022 qua cam thanh cac phan sao cho phan thu hai gap doi phan thu nhat , phan thu ba gap doi phan thu hai ... va theo cach chia nay phan thu nam co 32 qua . Hoi chia nhu the thi duoc may phan ?
BAI 3 : Trong mot tran thi dau dien kinh , cac van dong vien mang so 1,2,3 va 4 gianh duoc bon giai dau tien , nhung khong van dong vien nao gianh duoc giai trung voi so ao cua minh ca . Biet rang van dong vien dat giai 4 thi mang so ao trung voi giai cua van dong vien mang ao so 2 ; van dong vien thu 3 thi gianh duoc giai nhat , van dong vie so 2 khong gianh duoc giai ba . Hoi moi van dong vien gianh duoc giai gi ?
BAI 4 : Cho tam giac ABC ,E la mot diem tren canh BC sao cho BC=3EC . Noi AE lay mot diem M sao cho AE=4AM . Duong thang qua B va M cat canh AC tai D .
A . Tinh ti so AC : AD ?
B . so sanh dien tich AMD voi dien tich MBE
Hai thung dau co tong cong 95 lit, biet ti so phan tramcua so dau thung thu nhat va thung thu hai la 90%. Hoi moi thung co bao nhieu lit dau?