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递等式计算（怎样简便就怎么计算）13÷（23-25）13×34÷（34-512）67×65-67÷56÷310-310÷6364849×1474÷（23+12）×45．
题目详情
递等式计算（怎样简便就怎么计算）
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▼优质解答
答案和解析
（1）13÷（23-25）=13÷415=114；（2）13×34÷（34-512）=13×34÷13=14÷13=34；（3）67×65-67÷5=（65−15）×67=1×67=67；（4）6÷310-310÷6=20-1.8=18.2；（5）364849×14=36×14+4849×14=9+1249=9...
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