1. 算一算,填一填。
$29÷7=$

$\begin{array}{r} □ \\ □ \enclose{longdiv} {□ □ } \\ □ □ \\ \hline □ \end{array}$
29 里最多有(
$32÷6=$
$\begin{array}{r} □ \\ □ \enclose{longdiv} {□ □ } \\ □ □ \\ \hline □ \end{array}$
32 里最多有(
$29÷7=$
$\begin{array}{r} □ \\ □ \enclose{longdiv} {□ □ } \\ □ □ \\ \hline □ \end{array}$
29 里最多有(
4
)个 7。$32÷6=$
$\begin{array}{r} □ \\ □ \enclose{longdiv} {□ □ } \\ □ □ \\ \hline □ \end{array}$
32 里最多有(
5
)个 6。答案
1. 4……1 4 5……2 5 (竖式略)
2. 直接写出下面各题的商。

$\begin{array}{r} □ \\ 5 \enclose{longdiv} {4\quad 3} \end{array}$
$\begin{array}{r} □ \\ 6 \enclose{longdiv} {2\quad 8} \end{array}$
$\begin{array}{r} □ \\ 7 \enclose{longdiv} {5\quad 0} \end{array}$
$\begin{array}{r} □ \\ 6 \enclose{longdiv} {3\quad 6} \end{array}$
$\begin{array}{r} □ \\ 5 \enclose{longdiv} {4\quad 3} \end{array}$
$\begin{array}{r} □ \\ 6 \enclose{longdiv} {2\quad 8} \end{array}$
$\begin{array}{r} □ \\ 7 \enclose{longdiv} {5\quad 0} \end{array}$
$\begin{array}{r} □ \\ 6 \enclose{longdiv} {3\quad 6} \end{array}$
答案
2. 8 4 7 6
3. 下面的计算对吗?对的在括号里画“√”,错的画“×”并改正。

$\begin{array}{r} 4 \\ 7 \enclose{longdiv} {3\quad 9} \\ 2\quad 8 \\ \hline 1\quad 1 \end{array}$
(
$\begin{array}{r} 7 \\ 8 \enclose{longdiv} {6\quad 4} \\ 5\quad 6 \\ \hline 8 \end{array}$
(
$\begin{array}{r} 8 \\ 5 \enclose{longdiv} {4\quad 2} \\ 4\quad 0 \\ \hline 2 \end{array}$
(
$\begin{array}{r} 4 \\ 7 \enclose{longdiv} {3\quad 9} \\ 2\quad 8 \\ \hline 1\quad 1 \end{array}$
(
×
)$\begin{array}{r} 7 \\ 8 \enclose{longdiv} {6\quad 4} \\ 5\quad 6 \\ \hline 8 \end{array}$
(
×
)$\begin{array}{r} 8 \\ 5 \enclose{longdiv} {4\quad 2} \\ 4\quad 0 \\ \hline 2 \end{array}$
(
√
)答案
3. × $\begin{array}{r} 5\\ 7\enclose{longdiv} {39}\\ 35\\ \hline 4\end{array}$ ×
4. 小丽拿 35 元买 8 元一本的故事书。最多能买几本?还剩多少钱?
答案
4. $35÷8=4$(本)……3(元)
在下面的$□$里填上合适的数字。

$\begin{array}{r} □ \\ 5 \enclose{longdiv} {□ \quad □ } \\ 2\quad 5 \\ \hline 2 \end{array}$
$\begin{array}{r} 7 \\ □ \enclose{longdiv} {□ \quad □ } \\ □ \quad □ \\ \hline 8 \end{array}$
$\begin{array}{r} □ \\ 9 \enclose{longdiv} {4\quad □ } \\ □ \quad □ \\ \hline 3 \end{array}$
$\begin{array}{r} □ \\ 5 \enclose{longdiv} {□ \quad □ } \\ 2\quad 5 \\ \hline 2 \end{array}$
$\begin{array}{r} 7 \\ □ \enclose{longdiv} {□ \quad □ } \\ □ \quad □ \\ \hline 8 \end{array}$
$\begin{array}{r} □ \\ 9 \enclose{longdiv} {4\quad □ } \\ □ \quad □ \\ \hline 3 \end{array}$
答案
登录