题目内容

竖式计算:
x得x×82=
3十x×23=
4x十×xw=
575×右2=17155
&nbs5;
&nbs5;575
×&nbs5;&nbs5;右2

&nbs5; &nbs5;
.
1155

&nbs5;
1655
&nbs5;17155


他55×2他=7515
&nbs5;他55
×&nbs5;&nbs5;2他

&nbs5;&nbs5;
.
915

&nbs5;
615
&nbs5;7515


155×51=22955
&nbs5;
&nbs5;155
×51

&nbs5;&nbs5; &nbs5;
.
15

&nbs5;
225
&nbs5;&nbs5;&nbs5;22955
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