Array
Put arithmetical signs and parentheses between digits in the following equalities:
а ) 5 5 5 5 = 3; b) 5 5 5 5 = 4; c) 5 5 5 5 = 6; d) 5 5 5 5 = 20; e) 5 5 5 5 = 30; f) 5 5 5 5 = 45; g) 5 5 5 5 = 16; h) 5 5 5 5 = 10.
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