26ⅹ25-[2448÷(25+47)]怎么计算?

2025-06-26 12:15:27
推荐回答(1个)
回答1:

26x25-(2448÷72)=26x25-306/9
=26x25-34=26x(20+5)-34
=520+130-34=650-34=616