
46×24+25×53+25怎么算简便?
1个回答
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46×24+25×53+25
=46×(25-1)+25×(53+1)
=46×25-46+25×54
=(46+54)×25-46
=100×54-46
=5400-46
=5454
=46×(25-1)+25×(53+1)
=46×25-46+25×54
=(46+54)×25-46
=100×54-46
=5400-46
=5454
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