Example

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

Question

$$\left. \begin{array} { l } { 300.97 - } \\ { 246.063 } \end{array} \right.$$

Answer

-149.063

Solution


Use this rule: \(a-b=-(b-a)\).
\[-(246.063-97)\]
Use the algorithm method.
11316
246.063
-97.000
149.063
After simplification, we have:
\[-(246.063-97)=-149.063\]
Therefore, \(97-246.063=-149.063\).
\[-149.063\]
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