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38.3x7.6+11x9.25+427x0.24
=38.3x7.6+11x9.25+42.7x2.4
=38.3x7.6+1.1x92.5+38.3x2.4+4.4×2.4
=38.3×(7.6+2.4)+1.1×92.5+1.1×9.6
=38.3×10+1.1×(92.5+9.6)
=383+1.1×102.1
=383+112.31
=495.31
希望可以帮到你
=38.3x7.6+11x9.25+42.7x2.4
=38.3x7.6+1.1x92.5+38.3x2.4+4.4×2.4
=38.3×(7.6+2.4)+1.1×92.5+1.1×9.6
=38.3×10+1.1×(92.5+9.6)
=383+1.1×102.1
=383+112.31
=495.31
希望可以帮到你
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