用简便方法计算:1.71*5.6*5.6+3.42*5.6*4.4+4.4*4.4*1.71
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用简便方法计算:1.71*5.6*5.6+3.42*5.6*4.4+4.4*4.4*1.71
用简便方法计算:1.71*5.6*5.6+3.42*5.6*4.4+4.4*4.4*1.71
用简便方法计算:1.71*5.6*5.6+3.42*5.6*4.4+4.4*4.4*1.71
1.71*5.5*5.6+3.42*5.6*4.4+4.4*4.4*1.71=1.71*(5.6^2+2*5.6*4.4+4.4^2)=1.71*(5.6+4.4)^2=171