题目内容
填符号. 4
÷
÷
4+
+
4-
-
4=1; 5-(
-(
5+
+
5+
+
5)÷
)÷
5=2.分析:根据数的特点,进行试填运算符号,得出4÷4+4-4=1; 5-( 5+5+5)÷5=2;进而得出结论.
解答:解:(1)4÷4+4-4,
=1+4-4,
=1;
(2)5-(5+5+5)÷5,
=5-3,
=2;
故答案为:(1)÷,+,-;(2)-(,+,+,)÷.
=1+4-4,
=1;
(2)5-(5+5+5)÷5,
=5-3,
=2;
故答案为:(1)÷,+,-;(2)-(,+,+,)÷.
点评:解答此类题的关键是认真审题,根据数的特点,进行试填运算符号,进而得出结论.
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