62*23+23*25+23简便运算?
3个回答
展开全部
62x23+23x25+23
=62x23+23x25+23x1
=23x(62+25+1)
=23x88
=23x(90-2)
=23x90-23x2
=2070-46
=2024
=62x23+23x25+23x1
=23x(62+25+1)
=23x88
=23x(90-2)
=23x90-23x2
=2070-46
=2024
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展开全部
简便计算:62x23+23x25+23
62x23+23x25+23
=23x(62+25+1)
=23x(100-10-2)
=2300-230-46
=2024
62x23+23x25+23
=23x(62+25+1)
=23x(100-10-2)
=2300-230-46
=2024
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展开全部
62x23+23x25+23
=62x23+23x25+23x1
=23x(62+25+1)
=23x88
=2024
=62x23+23x25+23x1
=23x(62+25+1)
=23x88
=2024
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已踩过<
评论
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