Các câu hỏi tương tự
Biet rang : BCNN(a,b).UCLN(a,b)
a, BCNN cua hai so la 600, UCLN cua chung nho hon 10 lan BCNN. So thu 1 la 120, tim so thu 2.
b, UCLN cua hai so la 12, BCNN cua chung lon gap 6 lan UCLN . So t 1 la 24, tim so t 2
c, Tong cua hai so bang 60, tong giua UCLN va BCNN cua chung la 84. Tim hai so do.
B1:tim hai so biet:
tong cua BCNN voi UCLN cua chung la 15
B2:tim so tu nhien nho nhat co 3 chu so chia cho 18,30,45;co so du lan luot la 8,20,35.
Tim hai so tu nhien biet tong cua chung la 27, UCLN la 3, BCNN la 60
Giup minh nha ! Minh dang can gap lam !
biet rang BCNN(a,b).UCLN(a,b)=a.b
a, tong cua hai so bang 60,tong giua UCLN va BCNN cua chung la 84 tim hai so do
tong cua 3 so la 1640 so thu nhat gap 1,5 lan so thu 2 so thu ba gap 2,5 lan so thu hai tim so thu 3
Tim hai so a va b biet tong cua BCNN va UCLN cua chung la 15.
tim hai so biet
tong cua BCNN voi UCLN cua chung la 15
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
1 :nguoi ta viet lien nhauday so tu nhien bat dau la 1: 1 ,2, 3, 4 ,5 , hoi chu so chu 659 la chu so nao ? 2 : tim so co 3 chu so , biet rang chu so hang tram gap 4 lan chu so hang don vi va neu viet so ay theo thu tu nguoc lai thi no giam di 594 don vi.3 ; tim 2 so biet rang tong cua chung gap 5 lan hieu cua chung , tich cua chung gap 24 lan hieu cua chung4 : tim hai so biet rang tong cua chung gap 7 lan hieu cua chung con tich cua chung gap 192 lan hieu cua chung. giai theo phu...
Đọc tiếp
1 :nguoi ta viet lien nhauday so tu nhien bat dau la 1: 1 ,2, 3, 4 ,5 , hoi chu so chu 659 la chu so nao ?
2 : tim so co 3 chu so , biet rang chu so hang tram gap 4 lan chu so hang don vi va neu viet so ay theo thu tu nguoc lai thi no giam di 594 don vi.
3 ; tim 2 so biet rang tong cua chung gap 5 lan hieu cua chung , tich cua chung gap 24 lan hieu cua chung
4 : tim hai so biet rang tong cua chung gap 7 lan hieu cua chung con tich cua chung gap 192 lan hieu cua chung.
giai theo phuong phap lop 6 nhe