(-3☆2)★(4★1)= [(-3)*(-3)]★(1*1*1*1)
=9★1=1^9=1
用“☆”“★”定义新运算:对于有理数a、b,都有a☆b=a的b方和a★b=b的a方,那么(-3☆2)★(4★1)=---
用“☆”“★”定义新运算:对于有理数a、b,都有a☆b=a的b方和a★b=b的a方,那么(-3☆2)★(4★1)=---
数学人气:346 ℃时间:2019-12-25 02:49:22
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