6.3✘14分之3✘7分之4怎么解?
2个回答
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6.3×3/14×4/7
=63/10×3/14×4/7
=7×9/10×3/14×4/7
=9/10×3/14×4
=9/5×3/7
=27/35
=0.7714285714
=63/10×3/14×4/7
=7×9/10×3/14×4/7
=9/10×3/14×4
=9/5×3/7
=27/35
=0.7714285714
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6.3*3/14*4/7
=63*1/10*3/14*36/63
=1/10*3/7*18
=1/5*3/7*9
=9/5*3/7
=27/35
=63*1/10*3/14*36/63
=1/10*3/7*18
=1/5*3/7*9
=9/5*3/7
=27/35
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