Question

Which expression is equivalent to a’ (32” – 21) - (-72" +2) ? 3 0 3.25 +- 50 2 o 375 - 9,3 + 2 o 3.75 +7c? 2.2 - 2 o 316 + 73 – 2,2 2​

Answer 1

(b) 21 (c) 36 (d) 42 (e) 45 (f) 18. (g) 28 (h) 49 (i) 40 (j) 8 (k) 9 (l) 4. (m) 7 (n) 7 (o) 9 (p) 0 (q) 0 (r) 0. 2. (a) 3 (b) 7 (c) 4 (d) 8 (e) 3 (f) 4 (g) .