Practice problem
Simplify the expression A+B−C+D−EA+B-C+D-EA+B−C+D−E when A=1B=A+AC=A×AD=AAand E=A−BC+D\begin{align} A&=1\\ B&=A+A\\ C&=A\times A\\ D&=A^A\\ \text{and }E&=A-\frac{B}{C+D} \end{align}ABCDand E=1=A+A=A×A=AA=A−C+DB
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Type a concept, like “slope” or “photosynthesis”.
