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脱式计算538+27×38548+52×5987+29×78299+39×48544+56×21531+51×88

题目详情
脱式计算
538+27×38           548+52×5987+29×78           
299+39×48544+56×21         531+51×88
脱式计算
538+27×38           548+52×5987+29×78           
299+39×48544+56×21         531+51×88
538+27×38           548+52×5987+29×78           
299+39×48544+56×21         531+51×88
538+27×38           548+52×5987+29×78           299+39×48544+56×21         531+51×88538+27×38           548+52×5987+29×78           538+27×38           548+52×5987+29×78           299+39×48544+56×21         531+51×88299+39×48544+56×21         531+51×88
▼优质解答
答案和解析
(1)538+27×38  
=538+1026
=1564

(2)548+52×59
=548+3068
=3616

(3)87+29×78  
=87+2262
=2349

(4)299+39×48
=299+1872
=2171

(5)544+56×21   
=544+1176
=1720

(6)531+51×88
=531+4488
=5019