
要使"25x35x125x()"计算简便,括号里可以填什么数?再算一算
2个回答
展开全部
括号里可以填32。
25x35x125x32
=25x35x125x8x4
=35x(25x4)x(125x8)
=35x100x1000
=3500000
25x35x125x32
=25x35x125x8x4
=35x(25x4)x(125x8)
=35x100x1000
=3500000
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