1、2700/(1980-72×15) = = = 2、1375-450/18×25 =1、2700/(1980-72×15)==_数学解答

1、2700/(1980-72×15) = = = 2、1375-450/18×25 =
1、2700/(1980-72×15)
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2、1375-450/18×25
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3、1004-(520+649/160)
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人气：267 ℃　时间：2020-05-10 01:41:43

解答

1.=2700/(1980-1080)
=2700/900
=3
2.=1375-25*25
=1375-625
=750