竖式计算，带*号的要验算．125×56= 425×18= 87×195= 209×47=318×90= 250×40= *376×25= *140×89=
5= ．
计算：= ．
= ．
1﹣= ．
1+3= ．
= ．
= ．
= ．
= ．
+3= ．
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