111
(1) 3276 - 3 - 3276 x 2
(it) 8964 + 1 + 99 x 8964
3. Verify the following:
(1) 23 x 17 + (-2) = 23 * 7 - 23 * (-2)
(ii) (-18) * [(-3) + (-5)] = [(-18) * (-3)] + [(- 18) * (-5)
4 Determine the integer whose product with '-1' is
(1) 23
(ii) - 47
(iii) 0
5. Using convenient grouping, evaluate :
(1) (-5) 19 * (-60)
(ii) 25 x 31 * (-4)
(iii) 97 25 (-2) (-4) (iv) (-2) × 4896 * (-5)
6. If a = 3, b = -2, c = - 1, verify that:
(1) bx (a + c) = bxa+bxc (ii) bxcx a = a b × c = c * a xb
(iii) bxc=cxb
7. If an operation'' be defined as a + b = a b - (a + b), evaluate :
(1)
25
(ii) (- 4) * (-6)
(iii) 13 * (- 6)
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Answer:
Question is wrong
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Answer:
1.- i) -3279
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