342÷3=342;
1 1 4
3
3 4 2
3 4
3 1 2
1 2 0
验算:
1 1 4
×
3
3 4 2
804÷5=160…4;
1 6 0
5
8 0 4
5 3 0
3 0 4
验算:
1 6 0
×
5
8 0 0
+ 4 8 0 4
2040÷6=340;
3 4 0
6
2 0 4 0
1 8 2 4
2 4 0
238÷6=39…4;
&nb