小马虎在计算□÷3/4+□÷/1/4,错写成□÷(3/4+1/4)这样算得的结果比正确答案少了26/5,想一想这道题的
问题描述:
小马虎在计算□÷3/4+□÷/1/4,错写成□÷(3/4+1/4)这样算得的结果比正确答案少了26/5,想一想这道题的
答
□÷3/4+□÷/1/4=□*4/3+□*4=□*16/3
□÷(3/4+1/4)=□
□=26/5÷(16/3-1)=6/5