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5.6x0.34+0.56x4.3+0.056
3个回答
展开全部
5.6×0.34+0.56×4.3+0.056×23
=5.6×0.34+5.6×0.43+5.6×0.23
=5.6×(0.34+0.43+0.23)
=5.6×1
=5.6
=5.6×0.34+5.6×0.43+5.6×0.23
=5.6×(0.34+0.43+0.23)
=5.6×1
=5.6
展开全部
5.6×0.34+0.56×4.3+0.056
=0.056×100×0.34+0.056×10×4.3+0.056=0.056×(34+43+1)=0.056×78=4.368
=0.056×100×0.34+0.056×10×4.3+0.056=0.056×(34+43+1)=0.056×78=4.368
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展开全部
5.6x0.34十0.56x4.3十0.056=5.6x(0.34十0.43十0.01)=5.6x0.78=4.368。
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