《2025年新课堂同步学习与探究三年级数学上学期青岛版》

1. 填一填。

430,230,201

答案： 430,230,201

2. 火眼金睛辨对错。(对的打“√”,错的打“×”并改正。)

× × ×

答案： × × ×

3. 列竖式计算。
$627÷3=$209
$\begin{array}{r}2\ 0\ 9\\3\overline{)6\ 2\ 7}\\ \underline{6}\ \\ 2\ \ \ \\ \underline{0}\ \ \ \\ 27\\ \underline{27}\\ 0\end{array}$
$707÷7=$101
$\begin{array}{r}1\ 0\ 1\\7\overline{)7\ 0\ 7}\\ \underline{7}\ \\ 0\ \ \ \\ 0\ \ \ \\ 7\\ \underline{7}\\ 0\end{array}$
$520÷4=$130
$\begin{array}{r}1\ 3\ 0\\4\overline{)5\ 2\ 0}\\ \underline{4}\ \\ 12\\ \underline{12}\\ 0\ 0\\ 0\end{array}$
$820÷2=$410
$\begin{array}{r}4\ 1\ 0\\2\overline{)8\ 2\ 0}\\ \underline{8}\ \\ 2\ \ \ \\ \underline{0}\ \ \ \\ 20\\ \underline{20}\\ 0\end{array}$
$407÷2=$203……1
$\begin{array}{r}2\ 0\ 3\\2\overline{)4\ 0\ 7}\\ \underline{4}\ \\ 0\ \ \ \\ 0\ \ \ \\ 7\\ \underline{6}\\ 1\end{array}$
$526÷5=$105……1
$\begin{array}{r}1\ 0\ 5\\5\overline{)5\ 2\ 6}\\ \underline{5}\ \\ 2\ \ \ \\ 0\ \ \ \\ 26\\ \underline{25}\\ 1\end{array}$
$508÷4=$127
$\begin{array}{r}1\ 2\ 7\\4\overline{)5\ 0\ 8}\\ \underline{4}\ \\ 10\\ \underline{8}\ \\ 28\\ \underline{28}\\ 0\end{array}$
$440÷8=$55
$\begin{array}{r}5\ 5\\8\overline{)4\ 4\ 0}\\ \underline{4\ 0}\ \\ 40\\ \underline{40}\\ 0\end{array}$

答案： 1. $627÷3=209$
$\begin{array}{r}2\ 0\ 9\\3\overline{)6\ 2\ 7}\\ \underline{6}\ \\ 2\ \ \ \\ \underline{0}\ \ \ \\ 27\\ \underline{27}\\ 0\end{array}$
2. $707÷7 = 101$
$\begin{array}{r}1\ 0\ 1\\7\overline{)7\ 0\ 7}\\ \underline{7}\ \\ 0\ \ \ \\ 0\ \ \ \\ 7\\ \underline{7}\\ 0\end{array}$
3. $520÷4 = 130$
$\begin{array}{r}1\ 3\ 0\\4\overline{)5\ 2\ 0}\\ \underline{4}\ \\ 12\\ \underline{12}\\ 0\ 0\\ 0\end{array}$
4. $820÷2 = 410$
$\begin{array}{r}4\ 1\ 0\\2\overline{)8\ 2\ 0}\\ \underline{8}\ \\ 2\ \ \ \\ \underline{0}\ \ \ \\ 20\\ \underline{20}\\ 0\end{array}$
5. $407÷2 = 203\cdots\cdots1$
$\begin{array}{r}2\ 0\ 3\\2\overline{)4\ 0\ 7}\\ \underline{4}\ \\ 0\ \ \ \\ 0\ \ \ \\ 7\\ \underline{6}\\ 1\end{array}$
6. $526÷5 = 105\cdots\cdots1$
$\begin{array}{r}1\ 0\ 5\\5\overline{)5\ 2\ 6}\\ \underline{5}\ \\ 2\ \ \ \\ 0\ \ \ \\ 26\\ \underline{25}\\ 1\end{array}$
7. $508÷4 = 127$
$\begin{array}{r}1\ 2\ 7\\4\overline{)5\ 0\ 8}\\ \underline{4}\ \\ 10\\ \underline{8}\ \\ 28\\ \underline{28}\\ 0\end{array}$
8. $440÷8 = 55$
$\begin{array}{r}5\ 5\\8\overline{)4\ 4\ 0}\\ \underline{4\ 0}\ \\ 40\\ \underline{40}\\ 0\end{array}$