规定运算(+),a(+)b=ab+1,求:(1)(-2)(+)3;(2)[(-1)(+)2](+)(-3)
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规定运算(+),a(+)b=ab+1,求:(1)(-2)(+)3;(2)[(-1)(+)2](+)(-3)
规定运算(+),a(+)b=ab+1,求:(1)(-2)(+)3;(2)[(-1)(+)2](+)(-3)
规定运算(+),a(+)b=ab+1,求:(1)(-2)(+)3;(2)[(-1)(+)2](+)(-3)
(1).(-2)*3+1=-5
(2).4