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(5,4-1,7) x 5,2- (10,22 - 83 sub 10) x 9,5=

Răspuns :

(5,4-1,7) x 5,2- (10,22 - 83 sub 10) x 9,5=3,7x5,2-(10,22-8,3)x9,5=
=19,24-1,92x9,5=19,24-18,24=1