4.25×8.1-4.28 ×6.1的简便运算
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4.25×8.1-4.28 ×6.1
=4.25x8.1-（4.25+0.03）x6.1
=4.25x8.1-4.25x0.61-0.03x6.1
=4.25x（8.1-6.1）-0.183
=4.25x2-0.183
=9.5-0.183
=9.317
谢谢，请采纳
=4.25x8.1-（4.25+0.03）x6.1
=4.25x8.1-4.25x0.61-0.03x6.1
=4.25x（8.1-6.1）-0.183
=4.25x2-0.183
=9.5-0.183
=9.317
谢谢，请采纳
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展开全部
4.25x8.1-4.28x6.1
=4.25x8.1-(4.25+0.03)x6.1
=4.25x8.1-4.25x6.1-0.03x6.1
=4.25x(8.1-6.1)-0.03x6.1
=4.25x2-0.03x6.1
=8.5-0.183
=8.317
=4.25x8.1-(4.25+0.03)x6.1
=4.25x8.1-4.25x6.1-0.03x6.1
=4.25x(8.1-6.1)-0.03x6.1
=4.25x2-0.03x6.1
=8.5-0.183
=8.317
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