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19+19×[125+7×(12+15×3)-28×2]-100×10 dau coroana

Răspuns :

19+19x[125+7x(12+15x3)-28x2]-100x10=
19+19x[125+7x(12+45)-56]-1000=
19+19x(125+7x57-56)-1000=
19+19x(125+399-56)-1000=
19+19x(524-56)-1000=
19+19x468-1000=
19+8892-1000=
8911-1000=
7911