PDF chapter test TRY NOW
1. If \(x\) \(+\) \(y\) \(=\) \(13\), then \(x\) \(+\) \(y\) \(+\) \(z\) \(=\) \(13\) \(+\) \(z\)
2. \(\frac{20}{20}\) \(>\) \(\frac{3}{20}\)
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