(-3)²-2³÷3分之1×3-2³÷(-2-4分之1)×(-3分之1)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 21:25:31
![(-3)²-2³÷3分之1×3-2³÷(-2-4分之1)×(-3分之1)²](/uploads/image/z/188089-25-9.jpg?t=%EF%BC%88-3%EF%BC%89%26%23178%3B-2%26%23179%3B%C3%B73%E5%88%86%E4%B9%8B1%C3%973-2%26%23179%3B%C3%B7%EF%BC%88-2-4%E5%88%86%E4%B9%8B1%EF%BC%89%C3%97%EF%BC%88-3%E5%88%86%E4%B9%8B1%EF%BC%89%26%23178%3B)
(-3)²-2³÷3分之1×3-2³÷(-2-4分之1)×(-3分之1)²
(-3)²-2³÷3分之1×3
-2³÷(-2-4分之1)×(-3分之1)²
(-3)²-2³÷3分之1×3-2³÷(-2-4分之1)×(-3分之1)²
(-3)²-2³÷3分之1×3
=9-8
=1
-2³÷(-2-4分之1)×(-3分之1)²
=-8÷(-4分之9)×9分之1
=8×9分之4×9分之1
=81分之32
-2³÷(-2-4分之1)×(-3分之1)²
=-8÷(-9/4)×(1/9)
=(32/9)×(1/9)
=32/81
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