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2.15《 整理与复习》课件+课时练(含答案)
展开2.15 整理与复习
1.下列计算中,正确的一组为( )。(a、b、c均不为0)
A.= B.= C.=
2.在 里填上“>”“<”或“=”
0.184 2.5 0.02 1.037
3.74 0.12
3.兰兰的身高为1.53m,丽丽的身高为159cm,芳芳的身高为m,谁最高,谁最矮?
4.三名同学做题比赛,小亮5分钟做11道,小刚3分钟做7道,小宇7分钟做15道,谁做得更快些?
答案
- C
- > < > < > >
- 芳芳 兰兰
- 小刚
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