5.6*4.36+43.6*0.44的简便方法?
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5.6×4.36+43.6×0.44
=5.6×4.36+4.36×4.4
=(5.6+4.4)×4.36
=10×4.36
=43.6
=5.6×4.36+4.36×4.4
=(5.6+4.4)×4.36
=10×4.36
=43.6
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