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a fost răspuns

urgenta ofer coroana vot multumire si 100 de puncte efectuati 3475-278x2+113x13 = 836x2+318x3-739x2 = 7+49x[7+7x(7+7+7)] -25x112 = 8+64x[8+8x(8+8+8)-104x45=

Răspuns :

3475-278x2+113x13=
3475-556+1469=4388

836x2+318x3-739x2=
1672+954-1478=1148

7+49x[7+7x(7+7+7)]-25x112=
7+49x(7+7x21)-25x112=
7+49x(7+147)-25x112=
7+49x154-2800=
7+7546-2800=4753

8+64x[8+8x(8+8+8)]-104x45=
8+64x(8+8x24)-4680=
8+64x(8+192)-4680=
8+64x200-4680=
8+12800-4680=8128



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