对于两个自然数a、b定义新运算“※”和“#”:如果a※b=a+b a-b ,a#b=ab,那么(3#2)※(5※3)=
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对于两个自然数a、b定义新运算“※”和“#”:如果a※b=a+b a-b ,a#b=ab,那么(3#2)※(5※3)=
对于两个自然数a、b定义新运算“※”和“#”:如果a※b=a+b a-b ,a#b=ab,那么(3#2)※(5※3)=
对于两个自然数a、b定义新运算“※”和“#”:如果a※b=a+b a-b ,a#b=ab,那么(3#2)※(5※3)=
(3#2)※(5※3)
=(3×2)※[(5+3)(5-3)]
=6※16
=(6+16)(6-16)
=22×(-10)
=-220