Wearegoingtotakeatrip______nextweekend.对于任意数a,定义运算“※”,a※b=a×b-a-b,12※4的值是()
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题目内容:
We are going to take a trip ______ next weekend.
对于任意数a,定义运算“※”,a※b= a×b-a-b,12※4的值是()
优质解答
We are going to take a trip at next weekend
12※4=12*4-12-4=32
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