Các câu hỏi tương tự
Tim hai so co ba chu so biet tong cua chung la boi cua 504 va thuong cua so lon chia cho so nho la boi cua 6.
Nghe bon " leo teo " don la thang Nguyen Khac Vinh ngu. De xem no giai bai nay the nao.
tim so co 3 chu so biet rang tong cua no va cac chu so cua no la 190
tim mot so biet khi chia no cho tong cac chu so cua no thi duoc thuong la 3 du 7 va neu doi 2 chu so cu no cho nhau va chia cho tong cac chu so cua no thi duoc 7 du 3
tim 1 so co 2 chu so . biet so do la lap phuong cua so tu nhien va tong cac chu so cua no bang binh phuong cua mot so tu nhien
tim mot so tu nhienco hai chu so,biet rang khi chia no cho tong cac chu socua no thi duocthuong la 3 du 7 va neu doi hai chu so cua no cho nhau va cung chia cho tong hai chu so cua no thi duoc 7 du 3
tim 1 so tu nhien co 2 chu so sao cho ti so giua so do voi tong cac chu so cua no la so lon nhat
nhung nguoi nao gioi thi lam bai nay nhe ! ai dung cho 2 like
Bai 4 : Tìm hai so biet rang tong cua chung gap 7 lan hieu cua chung, tich cua chung gap 48 lan hieu cua chung.
Bai 5 : Tim thuong cua mot phep chia, biet rang neu them 100 vao so bi chia va them 25 vao so chia thi thuong va so du khong thay doi.
Bai 6 : Mot phep chia co thuong la 6 , du 3. Hieu giua hai so chia va so bi chia la 38. Tim hai so
tim so nguyen to p sao cho no vua la tong cua 2 so nguyen to vua la hieu cua 2 so nguyen to nao do ket qua bang 5 cho minh cach giai nha
cau1 : ti so cua 2 so la 7/12 them 10 vao so thu nhat thi ti so cua chung la 3/4 tong cua 2 so la bao nhieu ?
cau2 : neu them vao so bi chia 1/2 gia tri cua no va bot so chia 0,5 gia tri cua no thi thuong moi so voi thuong cua phep chia ban dau thay doi bao nhieu lan?
cảm ơn trước nhé !