2.53×3.56 35.6×4.77-50×1.56这道题怎么做?
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2.53×3.56+35.6×4.77-50×1.56这道题怎么做?
=2.53×3.56+3.56×47.7-50×1.56
=3.56×(2.53+47.7)-50×1.56
=3.56×50.23-50×1.56
=178.8188-78
=100.8188
望采纳 谢谢~~
=2.53×3.56+3.56×47.7-50×1.56
=3.56×(2.53+47.7)-50×1.56
=3.56×50.23-50×1.56
=178.8188-78
=100.8188
望采纳 谢谢~~
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