AA
BB
CC
DD
Answer:
B
Related Questions:
12×4+14×6+16×8+.....+198×100=?\frac{1}{2\times4}+\frac{1}{4\times6}+\frac{1}{6\times8}+.....+\frac{1}{98\times100}=?2×41+4×61+6×81+.....+98×1001=?
