最新的小学四年级下册数学期中试题：16+8=24，105÷5=21 24×21=504，这个算式合成一个综合算式是
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650\u00f750\uff1d 98\uff0b17\uff1d 103\u00d740\uff1d 380\uff0b320\uff1d
546\u2014299\uff1d 90\u00d770\uff1d 27\u00d7ll\uff1d 37\u534168\u00d70\uff1d
25\u00d714\uff0d25\u00d710\uff1d 56\u00d778\u00d70\uff1d 1000\u00f7125\uff1d 523\uff0b497\uff1d
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160\u00f720\uff0b15\u00d72 160\u00f720\u201415\u00d72
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16+8=24，105÷5=21 24×21=504合成一个综合算式是：（16+8）×（105÷5）
=24×21
=504．
故答案为：（16+8）×（105÷5）．
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