3⼀85×13的积再乘以17×5⼀52的简便算法怎么做

3/85×13的积再乘以17×5/52的简便算法怎么做
2024-11-07 18:37:48
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网友(1):

网友(2):

3/85x13x17x5/52
=(3/85x17)x(13x5/52)
=3/5x5/4
=3/4