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9 Calculați: a 16,93-12,8; d 18,2-5,2; g 7-2,9; 76,12 7,612; b 35,16 23,04; e 21,9113,81; h 99,09 0,9; k 19,001 3,01; c 103, 89-91,7; f 413,003 -13,103; i 4,3-2,93; I 1138,92 137,82​