Example

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

Question

$$3\frac{\cdot7}{8}-\frac{1}{2}$$

Answer

222

Solution


Simplify  \(3\times 78\)  to  \(234\).
\[234-12\]
Simplify.
\[222\]
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