问题标题:
14.75x6.88-87.5x0.688+14.75x3.12-0.0875x312的简便运算
问题描述:

14.75x6.88-87.5x0.688+14.75x3.12-0.0875x312的简便运算

更新时间:2024-05-13
孙树森回答:
  14.75x6.88-87.5x0.688+14.75x3.12-0.0875x312=14.75x6.88+14.75x3.12-8.75x6.88-8.75x3.12=14.75x(6.88+3.12)-8.75x(6.88+3.12)=14.75x10-8.75x10=147.5-87.5=60
揭春雨回答:
  4.7x0.35+0.47x4.2+0.047x23的简便运算
孙树森回答:
  采纳了再提问
查看更多
数学推荐
热门数学推荐