23.1乘以2.3除以23.1乘以0.
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23.1乘以2.3除以23.1乘以0.23.1乘以2.3除以23.1乘以0.23.1乘以2.3除以23.1乘以0.23.1×2.3÷23.1×0.3=2.3×0.3=0.6923.1×2.3÷23.1
23.1乘以2.3除以23.1乘以0.
23.1乘以2.3除以23.1乘以0.
23.1乘以2.3除以23.1乘以0.
23.1×2.3÷23.1×0.3
=2.3×0.3
=0.69
23.1×2.3÷23.1×0.3
=2.3×0.3
=0.69
23.1×2.3÷23.1×0.3
=23.1÷23.1×2.3×0.3
=1×2.3×0.3
=0.69
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