Example

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

Question

$$44-55=$$

Answer

-11

Solution


Use this rule: \(a-b=-(b-a)\).
\[-(55-44)\]
Use the algorithm method.
55
-44
11
After simplification, we have:
\[-(55-44)=-11\]
Therefore, \(44-55=-11\).
\[-11\]
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