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1. Calculaţi: a) 5√2-7√3+8√2+9√3; c) 7√5-2√3-8√5 +4√3; e) 2√5 +9√7-6√5-16√7; b) 8√2+6√5 +2√2-9√5; d) 4√3-2√7-11√7+8√3; f) 3√7+11√2-13√7-8√2.​

1 Calculaţi A 52738293 C 752385 43 E 25 9765167 B 8265 2295 D 432711783 F 3711213782 class=