如题所述
27Ã48+46Ã24
=27x2x24+46x24
=24xï¼54+46ï¼
=24x100
=2400
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=27x2x24+46x24
=24xï¼54+46ï¼
=24x100
=2400
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第1个回答 2015-05-27
=27*24*2+23*24*2
=2*24*(27+23)
=2*24*50
=2400
=2*24*(27+23)
=2*24*50
=2400