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(28) let a, b e mn (ir). show that a, b, ab symmetric → ab=ba.
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Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
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Mathematics, 21.06.2019 21:30
Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)
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(28) let a, b e mn (ir). show that a, b, ab symmetric → ab=ba....
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