题目内容
0×4，0×0，0+4三道算式的结果相等．
×
×
．分析：根据题意，分别求出0×4，0×0，0+4三道算式的结果，然后再进一步解答．
解答：解：
0×4=0；
0×0=0；
0+4=4；
0≠4；
所以，0×4，0×0，0+4三道算式的结果不全相等．
故答案为：×．
0×4=0；
0×0=0；
0+4=4；
0≠4；
所以，0×4，0×0，0+4三道算式的结果不全相等．
故答案为：×．
点评：考查了0的乘法和加法；0乘任何数都得0；而0加任何数都得原数．
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