co 45 nguoi lien hoan sinh nhat , ho uong het that ca 110 coc bia . biet mot so nguoi uong 4 coc , mot so nguoi uong 3 coc va mot so nguoi uong 2 coc . so nguoi uong 2 coc gap 3 so nguoi uong 3 coc . hoi bao nhiu nguoi uong 4 coc 3 coc 2 coc
giai truoc ngay 18 minh moi tick nhe
love you
viet phan so 3/5 duoi dang phan so thap phan co mau so bang 10 va co mau so bang 100.
viet hai phan so thap phan moi tim duoc thanh hai so thap phan.
co the viet 3/5 thanh nhung so thap phan nao ?
minh co may bai toan violympic hoi kho minh ko giai duoc.Cac ban giai chi tiet giup minh nha:
1.tim 2 so tu nhien le biet tong cua chung bang 114 va giua chung co 42 so chan
2.tim 2 so tu nhien lien tiep biet tong cua chung bang 2016
3.tong 5 so le lien tiep bang 515 Tim so lon nhat
4.tim 2 so tu nhien le lien tiep co tong bang 222
5.tim 2 so tu nhien, biet tong cua chung bang 848 va giua chung co tat ca 81 so chan
Bai1:hieu cua 2 phan so bang 2\(\frac{3}{7}\)phan so thu nhat bang \(\frac{1}{4}\)phan so thu hai.Tim phan so thu 2
Bai 2:nam nay tuoi me hon tuoi con la 25 tuoi.Hai nam truoc day,tuoi me bang \(\frac{7}{5}\)hieu so tuoi hai me con.Vay me nam nay bao nhieu tuoi ?
Bai 3:truoc day mua 5 lit dau phai tra 120000 dong .hien nay gia moi lit dau tang len 6000 dong .hoi voi 120000 dong thi hien nay co the mua duoc bao nhieu lit dau nhu the ?
Bai 4:tim so chan nho nhat co bon chu so sao cho khi chia cho 369 thi co so du lon nhat ?
Bai 5:khi danh so trang 1 quyen sach nguoi ta thay trung binh moi trang phai dung hai chu so . Hoi quyen sach do co bao nhieu trang
Bai 6:cho day so tu nhien lien tiep 1;2;3;4;5;...x
tim x biet day so tren co 1989 chu so
Bai 7:tim so trung binh cong cua tat ca cac so le co hai chu so chia het cho 5
tim mot phan so biet rang tong cua tu so va tu so bang 210 va biet neu chuyen tu mau so len tu so 24 don vi thi ta duoc phan so moi co gia tri bang 1
3 nguoi cung du 1 tro choi van dau nguoi thu hai va nguoi thu ba deu duoc 1 so bi tu nguoi thu nhat dung bang so bi ma hai nguoi do co van thu hai nguoi thu nhat va nguoi thu ba deu duoc 1 so bi lon gap do so bi ma hai nguoi co truoc do sau cung van thu ba thua ca nguoi thu nhat va nguoi thu 2 moi nguoi 1 so bi bang so bi ho co truoc do deu den day ca ba nguoi deu ket thuc tro choi va thay rang so bi con lai cua moi nguoi la 24 vien hoi truoc khi choi moi nguoi co bao nhieu vien bi
Nhanh nhé tớ đang cần gấp
mot bien doi co 180 doi vien, chia thanh cac phan doi co 8 hoac 9 doi vien. Biet rang so doi vien trong cac phan doi co 8 ban nhieu hon so doi vien trong cac phan doi co chin ban . Hoi co bao nhieu phan doi moi loai.
nho viet cach iai ra nhe
cam on
tim 1 phan so co tong va tu so cua phan so do la 120 va biet neu chuyen 13 don vi tu mau so len tu so ta duoc phan so moi co gia tri bang 1
mot mieng dat hinh chu nhat co chu vi 240m . nguoi ta rao xung quanh bang kem gai va coc xi mang neu nhin theo chieu rong ta thay co 10 coc , neu nhin theo chieu dai ta thay 16 coc. tim dien tich cua mieng dat , biet coc trong cach deu nhau va 4 goc vuon deu co coc
hay .3 duong tron co duong kinh bang nhsu tren to giay trang .A,qua tam doan thang chia hinh tron 2 phan bang nhau . hay bieu thi phan so do.b, qua tam ve chia thanh 4 phan bang nhau. em hay to mau 3 phan.phan to mau chiem bao nhieu phamn hinh tron.c,chia hinh tron thanh 16 phan bang nhau va danh dau X ngau nhien 1 so o , 1 so o em to mau .hay cho biet danh dau X vao phan to mau, con lai chiem hinh tyron.,roi xep phan so va so xanh truc quan bang cach dat chung chong len nhau sau do cho biet moi quan he gia phan so