能简便的要简便(急~)
(1200-199)×134.02-3.5+0.987.75×{20÷(3.24-3.04)}
8.37-10.32÷8-3.427/15-7/17+8/15-10/1745×(7/15+2/9+1/3)
8/15×{3/4÷(7/16-1/4)2/3×{1÷(5/6-4/6)}
3.7×4.5-4.4×3.72008×18-70×200.8-20080×0.1
1110÷{56×(3/7-3/8)}0.91÷4/5+1.25×1.09
153/16÷90.034×0.5×0.6(1/6+1/9-1/12)×4×9
7.8÷{32×(1-5/8)+3.6}1.25×32×25×7
20.09×37-200.9×1.9+2009×0.82
9/14÷(5/6-3/4)×7/24