-7/2022.503/3+7/2022.-508/3+7/3.(-2022)^0
3/2x4/3x5/4x...2022/2022
1x3+2x4+3x5+4x6+...+90x92
A=2x4+4x6+6x8+....+98x100
2x4+4x8+8x12+12x16+16x20
1x2+2x4+4x6+6x8+8x10
tính nhanh
S=2x4+4x6+6x8+...+98x100+100x102
tinh F=2x4+4x6+6x8+....+100x102
tinh F = 2x4+4x6+6x8+....+100x102
Tính tổng :
\(\frac{3}{2x4}+\frac{3}{4x6}+....+\frac{3}{96x98}+\frac{3}{98x100}\)