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练习十六,2,22,4,44,4,84,6,36,20,28,30,37,30,36,10,19,10,5,5,22,5,27,27,先算12-5=7再算20+7=27,10,9,1,34,1,35,35,先算14-9=5再算30+5=35,先算10-6=4再算20+4=24,24,54,91,61,42,82,24,32,71,43,43,33,22,29,21,80,36,68-5=63(箱),48-30=18（把）,4,44,7,27,6,76,5,55,48-5=43,74-6=68,52-9=43,22-7=15（只）,68,14,57,30,85,22,49,13,74-6=68,82-6=76,63-6=57,35-6=29,50-6=44,41-6=35,43-8=35,53-8=45,84-8=76,95-8=87,27-8=19,70-8=62,=,63,72,75,45,35,73,9,44,56,49,42,35,28,21,14,72,63,54,45,36,27,18,50-8=42(元),51,45,54,24,52,47,87,94,4,4,7,7,39+1=40（人）,
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