18/35×12+6/35×34怎么简便怎么算?
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2020-08-01 · 知道合伙人教育行家
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18/35×12+6/35×34
=(3×6)/35×12+6/35×34
=6/35×(3×12)+6/35×34
=6/35×36+6/35×34
=6/35×(36+34)
=6/35×70
=6×2
=12
=(3×6)/35×12+6/35×34
=6/35×(3×12)+6/35×34
=6/35×36+6/35×34
=6/35×(36+34)
=6/35×70
=6×2
=12
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=6/35x3x12+6/35x34
=6/35x(36+34)
=6/35x70
=12
=6/35x(36+34)
=6/35x70
=12
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