把25+15=40,2×40=80,1600÷80=20合并成综合算式是______.

2025-04-02 05:47:03
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回答1:

1600÷[2×(25+15)] =1600÷[2×40] =1600÷80 =20. 故答案为:1600÷[2×(25+15)].