For this problem, the symbol § between two numbers, x and y, is defined as follows: x § y = (x + y) ÷ 2. As in ordinary arithmetic, do operations within parentheses before operations outside parentheses. Find (11 § (8 § 2)) § 22.
cac ban hieu ko minh cha hieu cac ban hieu thi giai nha va ket ban voi minh
minh xin cac ban cha loi cau hoi cua minh!minh con nhieu bai tap lam mong cac ban giup,va cac ban dung giup o day cac ban ket ban voi minh roi nhan cho minh biet ket qua nha!
Chao ca ban, minh la Hoa lop 5a2 truong Tieu hoc Cam Son 2. Minh ko hoc gioi toan cho lam nen mong muon ca ban hay giup minh .O lop minh co giao ra rat nhieu bai tap nhung tu khi minh vao Oline Math thi ko thay kho khan khi gap cac bai tap kho .Minh muon cac ban hay noi cho ban cua minh vao Oline Math de chung ta ko con gap cac bai tap kho chung ta co the len Oline Math de hoc hoi va tham khao nhung bai toan don gian va nhung bai toan nang cao ,cac ban nhe !^_^ Hay cung tham gia Oline Math nhe ,o day co rat nhieu cuon sach hay va bo ich giup cho cac ban them hieu biet ve nhung bai minh chua hoc !Chuc cac ban mot ngay tot lanh .Thank you !
giua hai so tu nhien co 10 so tu nhien khac hieu hai so do la bao nhieu
cac ban nho lam cach giai ra cho minh nhe minh cam on cac ban rat nhieu
giua 2 so chan co 15 so le tim hieu 2 so
giua 2 so chan co 18 so chan tim hieu hai so
cac ban nho lam ca cach giai ra cho minh nhe ratcam on ca ban
giua 2 so chan co 8 so le tim hieu cua 2 so
cac ban nho giai cach lam ra cho minh nhe
tinh 44,5-4,5-3,5-2,5=
tinh a) 25-3,5*1,5= b) 25,7-4,5+1,5*6,12=
tim x biet 3,45-2,5+ x = 1,78 12,3- x +4,5 = 2,3=
tim hieu cua hai so biet rang neu so lon them 15,4 va so be them 7,8 thi duoc hieu hai so moi bang 20,08
cac ban hay giup minh lam chinh xax voi minh can trong chieu hom nay la ngay 19-11-2017 minh cam on cac baqn
hieu hai so la 0,14 tim hai so do biet rang 5 lan so lon tru di so be thi duoc 18,1 . cac ban oi giang cho minh cach nao de hieu nhat nhe minh dang can gap
1. khi nhan mot so thap phan co hai chu so o phan thap phan voi 12,35,mot ban da dat tich rieng thang cot voi nhau nhu doi voi phep cong va co ket qua la 220,66. Hay tim ket qua dung cua phep nhan do . Biet rang cac dau phay o cac thua so va ket qua van dat thang cot voi nhau ?
2.tim 2 so biet thuong cua chung bang 1,2 va biet hieu cua chung bang 13,58 ?
ai lam nhanh se duoc tick day ?
1. hieu cua hai so thap phan; /abc,d va /a,bcd la 583,704. hay tinh tong hai so do. giup minh nhe cac ban dep trai dep gai nhat nha.
