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(3supra4-1supra2):1supra8=

Răspuns :

(3/4-1/2):1/8=
(3/4-2/4):1/8=
1/4:1/8=1/4x8/1=2
(3/4-1/2):1/8= (3/4-2/4):1/8=5/4:1/8=5/4×8/1=10