36×1⼀4减15×0点二五-0点二五用简便方法计算

36×1/4减15×0点二五-0点二五用简便方法计算
2025-03-12 14:12:09
推荐回答(1个)
回答1:

36X(1/4)-15X0.25-0.25
=0.25X(36-15-1)
=0.25X20
=5