Question

(1-1/2)x(2-2/3)x(3-3/4)x……x(8-8/9)x(9-9/10)

Answer 1

(1-1/2)x(2-2/3)x(3-3/4)x……x(8-8/9)x(9-9/10)

=1/2×4/3×9/4×16/5×25/6×36/7×49/8×64/9×81/10

=(1×2×3×4×5×6×7×8×9)/10

=3×4×6×7×8×9

=36288

计算过程中要注意约分。