题目内容
(-24)×(
-
+
)+(-3)2÷(-2).
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(-24)×(
-
+
)+(-3)2÷(-2),
=(-3+8-6)+9÷(-2),
=-1-4.5,
=-5.5.
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=(-3+8-6)+9÷(-2),
=-1-4.5,
=-5.5.
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