32.55x32.55的简便计算方法

解:32.55X32.55
=32.55²
=(30十2.55)²
=30²十2X30X2.55十2.55²
=900十30X5.10十2.55²
=900十153.0十(2十0.55)²
=1053十4十2X2X0.55十0.55²
=1057十4X0.55十0.3025
=1057十2.20十0.3025
=1059.20十0.3025
=1059.3025

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