1) Calculate 20.72 + 2.027 = a) 20.747 b) 22.947 c) 21.747 d) 22.747 2) Calculate 101.01 + 10.11 + 1.001 a) 112.121 b) 111.121 c) 11.212 d) 1121.21 3) Calculate 21.7 - 4.106 a) 175.94 b) 17.594 c) 16.592

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