0.625×250+62.5×7.4+6.25怎么简算
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=0.625×10×25+6.25×10×7.4+6.25
=6.25×25+6.25×74+6.25
=6.25(25+74+1)
=6.25×100
=625
=6.25×25+6.25×74+6.25
=6.25(25+74+1)
=6.25×100
=625
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展开全部
0.625×250+62.5×7.4+6.25
=6.25×25+6.25×74+6.25
=6.25×(25+74+1)
=6.25×100
=625
=6.25×25+6.25×74+6.25
=6.25×(25+74+1)
=6.25×100
=625
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