2005*2003/2004
=(2004+1)*2003/2004
=2004*2003/2004+2003/2004
=2003+2003/2004
=2003又2003/2004
猜你喜欢
- 1客、货两车同时从相距240km的两地出发,相向而行,经过1小时30分相遇,已知货车比客车每小时少行10千米,求客、货两车的速度
- 2Our classroom is___(more bigger;much bigger)than yours.
- 3立方等于27的数是几
- 4化简求值 已知|2a-b+1|+(3a+ 3/2 b)²=0、求代数式 b²/a+b ÷(a/a-b -1 )x (a - a² /a
- 5在课桌下面 用英语说?
- 61.怎么缩写英语句子
- 7丰子恺的散文
- 8you should take care of( )pets by yourself
- 9高楼水压与大气压的计算
- 10I found Tom ____(play) games yesterday evening.答案是playing,为什么要填playing呢?