题目内容
列竖式计算.(带*要验算)
428÷4=
*285÷5=
840÷3=
804÷6=
*856÷7=
128÷4=
428÷4=
*285÷5=
840÷3=
804÷6=
*856÷7=
128÷4=
分析:根据整数除法的计算方法,列竖式进行解答即可.
解答:解:(1)428÷4=107;
107
4
(2)285÷5=57;

验算:
(3)840÷3=280;

(4)804÷6=134;

(5)856÷7=122…2;

验算:

(6)128÷4=32;

107
4
428 |
4 |
28 |
28 |
0 |
(2)285÷5=57;

验算:
|
(3)840÷3=280;

(4)804÷6=134;

(5)856÷7=122…2;

验算:

(6)128÷4=32;

点评:解答此题的关键是:应明确整数除法的计算方法,熟练运用.
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