Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\frac{3\times}{8}\frac{18}{21}$$

Answer

245463

Solution


Use the algorithm method.
3
×81821
3
60
2
2400
3000
2
240000
245463
Therefore, \(3\times 81821=245463\).
\[245463\]
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