2026年通城学典计算能手四年级数学下册苏教版江苏专版第27页答案
一、先用计算器算出前三题的得数,再直接写出后面几题的得数。
1. $2244÷34=$
$222444÷334=$
$22224444÷3334=$
$2222244444÷33334=$
$222222444444÷333334=$
2. $7×9=$
$77×99=$
$777×999=$
$7777×9999=$
$77777×99999=$

答案

1. 66 666 6666 66666 666666
2. 63 7623 776223 77762223 7777622223
二、用竖式计算。
$598×21$
$702×28$
$399×19$
$863×27$
$650×32$
$708×90$
$480×47$
$365×12$
$148×53$
$350×34$
$532×42$
$338×52$
$912×34$
$207×63$
$327×23$
$156×68$
$324×52$
$204×45$
$408×55$
$156×39$
$510×35$
$647×23$
$680×24$
$504×70$

答案

计算$598×21$:
$\begin{aligned}&\quad\quad598\\&\underline{×\quad21}\\&\quad\quad598\\&\underline{1196\quad}\\&12558\end{aligned}$
计算$702×28$:
$\begin{aligned}&\quad\quad702\\&\underline{×\quad28}\\&\quad\quad5616\\&\underline{1404\quad}\\&19656\end{aligned}$
计算$399×19$:
$\begin{aligned}&\quad\quad399\\&\underline{×\quad19}\\&\quad\quad3591\\&\underline{399\quad}\\&7581\end{aligned}$
计算$863×27$:
$\begin{aligned}&\quad\quad863\\&\underline{×\quad27}\\&\quad\quad6041\\&\underline{1726\quad}\\&23301\end{aligned}$
计算$650×32$:
$\begin{aligned}&\quad\quad650\\&\underline{×\quad32}\\&\quad\quad1300\\&\underline{1950\quad}\\&20800\end{aligned}$
计算$708×90$:
$\begin{aligned}&\quad\quad708\\&\underline{×\quad90}\\&63720\end{aligned}$
计算$480×47$:
$\begin{aligned}&\quad\quad480\\&\underline{×\quad47}\\&\quad\quad3360\\&\underline{1920\quad}\\&22560\end{aligned}$
计算$365×12$:
$\begin{aligned}&\quad\quad365\\&\underline{×\quad12}\\&\quad\quad730\\&\underline{365\quad}\\&4380\end{aligned}$
计算$148×53$:
$\begin{aligned}&\quad\quad148\\&\underline{×\quad53}\\&\quad\quad444\\&\underline{740\quad}\\&7844\end{aligned}$
计算$350×34$:
$\begin{aligned}&\quad\quad350\\&\underline{×\quad34}\\&\quad\quad1400\\&\underline{1050\quad}\\&11900\end{aligned}$
计算$532×42$:
$\begin{aligned}&\quad\quad532\\&\underline{×\quad42}\\&\quad\quad1064\\&\underline{2128\quad}\\&22344\end{aligned}$
计算$338×52$:
$\begin{aligned}&\quad\quad338\\&\underline{×\quad52}\\&\quad\quad676\\&\underline{1690\quad}\\&17576\end{aligned}$
计算$912×34$:
$\begin{aligned}&\quad\quad912\\&\underline{×\quad34}\\&\quad\quad3648\\&\underline{2736\quad}\\&31008\end{aligned}$
计算$207×63$:
$\begin{aligned}&\quad\quad207\\&\underline{×\quad63}\\&\quad\quad621\\&\underline{1242\quad}\\&13041\end{aligned}$
计算$327×23$:
$\begin{aligned}&\quad\quad327\\&\underline{×\quad23}\\&\quad\quad981\\&\underline{654\quad}\\&7521\end{aligned}$
计算$156×68$:
$\begin{aligned}&\quad\quad156\\&\underline{×\quad68}\\&\quad\quad1248\\&\underline{936\quad}\\&10608\end{aligned}$
计算$324×52$:
$\begin{aligned}&\quad\quad324\\&\underline{×\quad52}\\&\quad\quad648\\&\underline{1620\quad}\\&16848\end{aligned}$
计算$204×45$:
$\begin{aligned}&\quad\quad204\\&\underline{×\quad45}\\&\quad\quad1020\\&\underline{816\quad}\\&9180\end{aligned}$
计算$408×55$:
$\begin{aligned}&\quad\quad408\\&\underline{×\quad55}\\&\quad\quad2040\\&\underline{2040\quad}\\&22440\end{aligned}$
计算$156×39$:
$\begin{aligned}&\quad\quad156\\&\underline{×\quad39}\\&\quad\quad1404\\&\underline{468\quad}\\&6084\end{aligned}$
计算$510×35$:
$\begin{aligned}&\quad\quad510\\&\underline{×\quad35}\\&\quad\quad2550\\&\underline{1530\quad}\\&17850\end{aligned}$
计算$647×23$:
$\begin{aligned}&\quad\quad647\\&\underline{×\quad23}\\&\quad\quad1941\\&\underline{1294\quad}\\&14881\end{aligned}$
计算$680×24$:
$\begin{aligned}&\quad\quad680\\&\underline{×\quad24}\\&\quad\quad2720\\&\underline{1360\quad}\\&16320\end{aligned}$
计算$504×70$:
$\begin{aligned}&\quad\quad504\\&\underline{×\quad70}\\&35280\end{aligned}$
【答案】
$12558$,$19656$,$7581$,$23301$,$20800$,$63720$,$22560$,$4380$,$7844$,$11900$,$22344$,$17576$,$31008$,$13041$,$7521$,$10608$,$16848$,$9180$,$22440$,$6084$,$17850$,$14881$,$16320$,$35280$