We are going to take a trip at next weekend
12※4=12*4-12-4=32
We are going to take a trip ______ next weekend.
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()
对于任意数a,定义运算“※”,a※b= a×b-a-b,12※4的值是()
英语人气:467 ℃时间:2019-08-18 22:17:21
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