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3+
1
3
÷
1
3
+3=1
错误
错误
分析:在3+
1
3
÷
1
3
+3中,我们先计算除法,然后再计算加法,即按照四则混合运算的顺序进行计算即可.
解答:解:3+
1
3
÷
1
3
+3

=3+1+3,
=7;
故答案为:错误.
点评:本题按照四则混合运算的顺序进行计算即可.
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