Example

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

Question

$$10.25-7.15$$

Answer

3.10

Solution


Use the algorithm method.
010
10.25
-7.15
3.10
Therefore, \(10.25-7.15=3.10\).
\[3.10\]
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