10.21=6.5.7
18.2.55=30.6.11
45.28.39.33=35.35.33.13
10.21=6.5.7
18.2.55=30.6.11
45.28.39.33=35.35.33.13
Trong vac phep tinh sau Tim cac tich bang nhau ma khong tinh ket qua cua moi tich : 11, 18 ; 15 , 45 ; 45 • 3 • 5; 6 • 3 • 1;
9 • 5 • 15 .
tim cac tich bang nhau ma khong can tinh ket qua cua moi tich :
15 . 2 . 6 ; 4 . 4 . 9; 5 . 3 . 12 ; 8 . 18 ; 15 . 3 . 4 ; 8 . 2 . 9
tim cac tich bang nhau ma khong can tinh ket qua cua moi tich
15.2.6 4.4.9 5.3.12 8.18 15.3.4 8.2.9
tinh tong cac uoc so cua 5.2^10.neu khong tinh ket qua cua tong thi co chung minh duoc tong la B(6) hay khong
tinh tong cac phan so toi gian lon hon 3 nhung nho hon 4 co mau so bang 7 ket qua la..............
15.2.6 4.4.9 5.3.12 8.18 15.3.4 8.2.9
cho 9 so tu nhien giam dan 9 8 7 6 5 4 3 2 1.co the dat cac dau "+","-" de ket qua cua phep tinh bang 6?
Khong thuc hien phep tinh de tim ket qua. Hay chung minh rang cac tong sau lon hon 1
M = \(\frac{3}{7}+\frac{3}{8}+\frac{3}{10}\)
cho 9 chu so tu nhien viet theo thu tu giam dan tu 9 den 1 nhu sau 9 8 7 6 5 4 3 2 1 co the dat duoc hay khong dau + hoac _ vao giua cac so do de duoc ket qua bang 16