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(a) Form expressions using t and 4. Use ...

(a) Form expressions using t and 4. Use not more than one number operation. Every expression must have t in it.(b) Form expressions using y, 2 and 7. Every expression must have y in it. Use only two number operations. These should be different.

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### Step-by-Step Solution #### Part (a) We need to form expressions using the variable \( t \) and the number \( 4 \), with only one number operation. Here are the possible expressions: 1. **Addition**: - \( t + 4 \) ...
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