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

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 23:05:08
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

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