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Which out of the following are expressions with numbers only? (a) y + 3 (b) (7 × 20) − 8z (c) 5 (21 − 7) + 7 × 2 (d) 5 (e) 3x (f) 5 − 5n (g) (7 × 20) − (5 × 10) − 45 + p |
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