Tính : A = 1.3 + 2.4 + 3.5 + ..... + 98.100
TÍNH: a. \(1.3+3.5+....+97.99\)
b.\(1.3+2.4+3.5+....+98.100\)
c.\(2.4+4.6+....+98.100\)
Tính 1.3+2.4+3.5+...+97.99+98.100
tính nhanh:1.3+2.4+3.5+.....+97.99+98.100
Tính :
A = 2/1.3+2/2.4+2/3.5+...+2/98.100
1.3+2.4+3.5+...+97.99+98.100
Bài 1: Tính:
a) 1.3+2.4+3.5+....+98.100
b) 1.1+2.2+3.3+...+99.99+100.100
1.3+2.4+3.5+...+97.99+98.100
G = 1.3 +2.4+3.5+......+97.99+98.100.