5/2×2/5÷6/3×6/3等于多少(考眼力)

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5/2×2/5÷6/3×6/3等于多少(考眼力)
5/2×2/5÷6/3×6/3等于多少(考眼力)

5/2×2/5÷6/3×6/3等于多少(考眼力)
5/2×2/5÷6/3×6/3
=1÷(6/3÷6/3)
=1

1

5/2×2/5÷6/3×6/3
=5/2×2/5
=1