
展开全部
35.7-4.9-(5.72+5.1)
=35.7-(4.9+5.72+5.1)
=35.7-(4.9+5.1)-5.72
=35.7-10-5.7-0.02
=25.7-5.7-0.02
=20-0.02
=19.98
谢谢,请采纳
=35.7-(4.9+5.72+5.1)
=35.7-(4.9+5.1)-5.72
=35.7-10-5.7-0.02
=25.7-5.7-0.02
=20-0.02
=19.98
谢谢,请采纳
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