计算: 200.8×73-6.3×2008 9999×2222+3333×3334 (1+1/2)×(1-1/2)×(1+1/3)×(1-1/3)×…(1+1/99)×(1-1/99)

问题描述:

计算:
200.8×73-6.3×2008        
9999×2222+3333×3334
(1+

1
2
)×(1-
1
2
)×(1+
1
3
)×(1-
1
3
)×…(1+
1
99
)×(1-
1
99

①200.8×73-6.3×2008 =2008×7.3-6.3×2008=2008×(7.3-6.3)=2008×1=2008;       ②9999×2222+3333×3334=3333×6666+3333×3334=3333×(6666+3334)=3333×10000=...