Example

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

Question

$$44-66$$

Answer

-22

Solution


Use this rule: \(a-b=-(b-a)\).
\[-(66-44)\]
Use the algorithm method.
66
-44
22
After simplification, we have:
\[-(66-44)=-22\]
Therefore, \(44-66=-22\).
\[-22\]
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