递等式计算8.71+6.54+2.71-3.45

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递等式计算8.71+6.54+2.71-3.45递等式计算8.71+6.54+2.71-3.45递等式计算8.71+6.54+2.71-3.45 

递等式计算8.71+6.54+2.71-3.45
递等式计算8.71+6.54+2.71-3.45

递等式计算8.71+6.54+2.71-3.45