题目内容
下面计算对吗?把不对的改正.
(1)________(2)________(3)________.
解:(1)425×8=3400;

(2)820-178=642;

(3)543+347=890;

分析:根据整数加减乘除法的竖式计算方法进行解答即可.
点评:完成本题要根据运算法则认真分析各个竖式,找出错误后改正.

(2)820-178=642;

(3)543+347=890;

分析:根据整数加减乘除法的竖式计算方法进行解答即可.
点评:完成本题要根据运算法则认真分析各个竖式,找出错误后改正.

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