题目描述:
规定一种新的运算A乘B等于A乘B减A减B加一,如3乘4等于三乘四减三减四加1等于6,试求(8乘2)乘3答案解析
【答案】12根据题意,先算8乘2=8x2-8_2+1=7,然后7x3=7x3-7-3+1=12 【其他答案】
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