=(9√2)*(9√2)/2-(5√2)*(5√2)/2算术计算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/10/08 18:10:50
=(9√2)*(9√2)/2-(5√2)*(5√2)/2算术计算=(9√2)*(9√2)/2-(5√2)*(5√2)/2算术计算=(9√2)*(9√2)/2-(5√2)*(5√2)/2算术计算=81-

=(9√2)*(9√2)/2-(5√2)*(5√2)/2算术计算
=(9√2)*(9√2)/2-(5√2)*(5√2)/2算术计算

=(9√2)*(9√2)/2-(5√2)*(5√2)/2算术计算
=81-25=56