3 = ba = bố
3 + n =bố + n =bốn =4
li-ke nhé
3 NGHĨA LÀ BA
4 NGHĨA LÀ BỐN
VẬY BỐN-N=BỐ
VÌ BA = BỐ
NÊN 3 + N = 4
1/12+1/122+1/32+1/42+...+1/n2 chung to phep tinh tren khong phai la so nguyen
Cac ban hay tinh cho toi mot bai toan nhu sau
Chung to phep tinh chia het cho 3
1+2+22+23+...+22008
Khong thuc hien phep tinh de tim ket qua.Hay chung minh rang cac tong sau lon hon 1
M = \(\frac{3}{7}+\frac{3}{8}+\frac{3}{10}\)
Khong thuc hien phep tinh de tim ket qua. Hay chung minh rang cac tong sau lon hon 1
M = \(\frac{3}{7}+\frac{3}{8}+\frac{3}{10}\)
chung ming rang tong sau ko la so nguyen
a)1+1/2+1/3+1/4+.....1/8
b)1+1/2+1/3+.....+1/100
Thuc hien phep tinh sau biet : m = - 7 ; n = 4
5n + 3n - m = ?
Khong thuc hien phep tinh de tim ket qua. Hay chung minh rang cac tong sau lon hon 1
N = \(\frac{21}{90}+\frac{31}{72}+\frac{21}{40}+\frac{-1}{45}+\frac{-1}{50}\)
Khong thuc hien phep tinh de tim ket qua. Hay chung minh rang tong sau lon hon 1
N = \(\frac{21}{90}+\frac{31}{72}+\frac{21}{40}+\frac{-1}{45}+\frac{-1}{50}\)
Chung to phep tinh ay chia het cho 13
1+3+32+33+...+3118+3119
