Example

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

Question

$$2.5 \times 2.3$$

Answer

5.75

Solution


Use the algorithm method.
2.5
×2.3
1
0.75
1
5.00
5.75
Therefore, \(2.5\times 2.3=5.75\).
\[5.75\]
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