计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9 ②:1/3除以〔4乘(5/计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9②:1/3除以〔4乘(5/6-3/4)〕③:(2-1/2除以3/4)除以
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![计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9 ②:1/3除以〔4乘(5/计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9②:1/3除以〔4乘(5/6-3/4)〕③:(2-1/2除以3/4)除以](/uploads/image/z/33983-71-3.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E9%9D%A2%E5%90%84%E9%A2%98%E8%83%BD%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E7%9A%84%E5%B0%B1%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3A%E2%91%A0%3A7%2F5%E9%99%A4%E4%BB%A59%E5%87%8F2%2F5%E4%B9%981%2F9+%E2%91%A1%3A1%2F3%E9%99%A4%E4%BB%A5%E3%80%944%E4%B9%98%EF%BC%885%2F%E8%AE%A1%E7%AE%97%E4%B8%8B%E9%9D%A2%E5%90%84%E9%A2%98%E8%83%BD%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E7%9A%84%E5%B0%B1%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%3A%E2%91%A0%3A7%2F5%E9%99%A4%E4%BB%A59%E5%87%8F2%2F5%E4%B9%981%2F9%E2%91%A1%3A1%2F3%E9%99%A4%E4%BB%A5%E3%80%944%E4%B9%98%EF%BC%885%2F6%EF%BC%8D3%2F4%EF%BC%89%E3%80%95%E2%91%A2%3A%EF%BC%882-1%2F2%E9%99%A4%E4%BB%A53%2F4%EF%BC%89%E9%99%A4%E4%BB%A5)
计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9 ②:1/3除以〔4乘(5/计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9②:1/3除以〔4乘(5/6-3/4)〕③:(2-1/2除以3/4)除以
计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9 ②:1/3除以〔4乘(5/
计算下面各题能简便计算的就简便计算:
①:7/5除以9减2/5乘1/9
②:1/3除以〔4乘(5/6-3/4)〕
③:(2-1/2除以3/4)除以2/9
④:18乘(2/3+3/2-5/9)
计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9 ②:1/3除以〔4乘(5/计算下面各题能简便计算的就简便计算:①:7/5除以9减2/5乘1/9②:1/3除以〔4乘(5/6-3/4)〕③:(2-1/2除以3/4)除以
1/9,1,6,68