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2/(4/6)/(6/8)/(8/10)+12
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2/(4/6)/(6/8)/(8/10)+12=2/(2/3)/(3/4)/(4/5)+12=2×(3/2)×(4/3)×(5/4)+12=5+12=17
咨询记录 · 回答于2022-10-30
2/(4/6)/(6/8)/(8/10)+12
2/(4/6)/(6/8)/(8/10)+12=2/(2/3)/(3/4)/(4/5)+12=2×(3/2)×(4/3)×(5/4)+12=5+12=17
没明白
具体哪里不明白呢
您是要一步一步详细解吗
2/(4/6)/(6/8)/(8/10)+12=2/(2/3)/(3/4)/(4/5)+12=2×(3/2)×(4/3)×(5/4)+12=3×(4/3)×(5/4)+12=4×(5/4)+12=5+12=17