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D.Simplify the following expressions below and solve.
16. 32 : 2 x 2²=
17.6 = 2 + 1 x 4 =
18. (15 - 6) + (4-1) x 23 =
19. 3 x [3 + 2 x (10 - 3)2 =
20. 12 + 3x{3 x [4 + (
9- 8) - 2] - 3} =​