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2018-05-29 · 知道合伙人教育行家
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3.14x6²x10÷3÷(3.14x4²)
=3.14x36x10÷3÷(3.14x16)
=3.14x120÷3.14÷16
=120÷16
=7.5(厘米)
3.14x6²x10÷3÷(3.14x4²)
=3.14x36x10÷3÷(3.14x16)
=3.14x120÷3.14÷16
=120÷16
=7.5(厘米)
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