nhanh nha mình đang cần
Các câu hỏi tương tự
3/2+3/6+3\12+3/20+...+3/9900
\(\frac{3}{2}+\frac{3}{6}+\frac{3}{12}+\frac{3}{20}+....+\frac{3}{9900}\)
B = 3/2 x 12 + 3/3 x 20 + 3/4 x 30 + ... + 3 /97 x 9702 + 3/98 x 9900
tinh bang cach thuan tien nhat
1/2+1/6+1/12+1/20
1/2+1/6+1/12+1/20+..........+1/9900
1/2+1/3+1/4+1/8+1/16
1/2+1/3+1/4+1/8+1/16+........+1/512
Tính
a.13/7-1/2x13/7+3/2x13/7
b.1/15x(3/7+5/19)+3/7x(5/19-1/15)
c.5/6+5/12+5/20+5/30+...+5/9900
Tính nhanh tổng sau
A=1/6+1/12+1/20+...1/9900
B=1/3+1/9+1/27+1/81+...=1/2187
tính nhanh
A=3/2+7/6+13/12+...+9901/9900
1. Tính nhanh
A=1/2+1/6+1/12+1/20+...1/9900
b=1/3+1/16+1/35+1/63+....1/9999
2. Tim phân số bằng nhau
11/2; 10/8; 21/24; 33/36; 14/16; 45/36
giúp mik hết nha cảm ơn !!
F= 3/2 + 3/6 + 3/12 + 3 /20 +...+ 3/870