2☆3=2X3X4,4☆2=4X5,则:(5☆3)—(6☆2)=( )这题我不会,拜托各位拉,最好详细点!

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 21:57:12
2☆3=2X3X4,4☆2=4X5,则:(5☆3)—(6☆2)=(   )这题我不会,拜托各位拉,最好详细点!
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2☆3=2X3X4,4☆2=4X5,则:(5☆3)—(6☆2)=( )这题我不会,拜托各位拉,最好详细点!
2☆3=2X3X4,4☆2=4X5,则:(5☆3)—(6☆2)=( )
这题我不会,拜托各位拉,最好详细点!

2☆3=2X3X4,4☆2=4X5,则:(5☆3)—(6☆2)=( )这题我不会,拜托各位拉,最好详细点!
2☆3=2X3X4,4☆2=4X5,
则:(5☆3)—(6☆2)
=5X6X7-6X7
=(5-1)X6X7
=4X42
=168