定义A△B=A×B+A+B;A▽B=A×B-A-B.计算(3△5)▽(4△5)÷3

定义A△B=A×B+A+B;A▽B=A×B-A-B.计算(3△5)▽(4△5)÷3.
2025-06-23 03:07:30
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回答1:

(3△5)▽(4△5)÷3,
=(3×5+3+5)▽(4×5+4+5)÷3,
=23▽29÷3,
=(23×29-23-29)÷3,
=615÷3,
=205.