数学好的戳进.用简便方法计算.
计算下面各题.2037-2037÷214375+884÷26×259.58-(0.2+6.86÷0.7)×0.06〔9.2+0.8×(9-7.75)〕÷0.4〔17.1-17.1÷(3.1-0.7)〕×0.6154÷(941-32×65)+652.9×(3.8-54)÷(2.375-851)9÷〔1-(52+209)〕