对任意正整数A*B=3A+2B-2 计算:10*9新定义运算:对任意正整数A.B,规定A*B=3A+2B-2 计算:10*9
问题描述:
对任意正整数A*B=3A+2B-2 计算:10*9
新定义运算:对任意正整数A.B,规定A*B=3A+2B-2 计算:10*9
答
对任意正整数A*B=3A+2B-2 计算:10*9
新定义运算:对任意正整数A.B,规定A*B=3A+2B-2 计算:10*9