3. 在$\bigcirc$里填上“>”“<”或“=”。(每题 1★)
$15-3\bigcirc 14-2$ $12+5\bigcirc 19-2$ $16-8\bigcirc 13-2$
$17-3\bigcirc 20-0$ $13+3\bigcirc 18-8$ $11-2\bigcirc 13-1$
$15-4\bigcirc 4+7$ $6+5\bigcirc 14-5$ $13-4\bigcirc 11-3$
$15-3\bigcirc 14-2$ $12+5\bigcirc 19-2$ $16-8\bigcirc 13-2$
$17-3\bigcirc 20-0$ $13+3\bigcirc 18-8$ $11-2\bigcirc 13-1$
$15-4\bigcirc 4+7$ $6+5\bigcirc 14-5$ $13-4\bigcirc 11-3$
答案
= = < < > < = > >
4. 照样子,填一填。(每空 2★)

答案
9、9、2、9、8、6、8。
5. (经典好题)小兔子今天要拔 11 根胡萝卜,还需要再拔多少根胡萝卜? (8★)
$\square \bigcirc \square =\square$

(根)
$\square \bigcirc \square =\square$
(根)
答案
$ 11 - 4 = 7 $
6. (培优题)啄木鸟今天要为多少棵树捉虫?(9★)

答案
$ 13 - 5 = 8 $(棵) $ 8 + 1 = 9 $(棵)
登录