脱式计算0.25×3⼀4+1⼀8×8.25+12.5%

2024-11-28 06:46:43
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回答(1):

0.25×3/4+1/8×8.25+12.5%
=1/4x3/4+1/8x33/8+1/8
=3/16+33/64+1/8
=12/64+33/64+8/64
=53/64