
5/21×14等于多少
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解:5/21×14等于( 10/3 )
∵已知需求出5/21×14等于多少
A × B = A * B = C
∴5/21 × 14
= 5/(3×7) × (2×7)/1
= (5×2)/3
= 10/3
答:5/21×14等于10/3
∵已知需求出5/21×14等于多少
A × B = A * B = C
∴5/21 × 14
= 5/(3×7) × (2×7)/1
= (5×2)/3
= 10/3
答:5/21×14等于10/3
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