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1320:40+5×(15+17+2×4)-(200+480:16) si 23^0+37:[2×9^2-5×(2^7:2^4-3^2:3)^2]

Răspuns :

primul exercitiu : 3
al doilea exercitiu : 38
al treilea exercitiu:92
coroana te rog!!!
1320:40+5×(15+17+2×4)-(200+480:16)=
=33+5
×(32+8)-(200+30)=
=33+5×40-230=
=33+200-230=
=233-230=
=3.

23^0+37:[2×9^2-5×(2^7:2^4-3^2:3)^2]=
=38:[2
×81-5×(128:16-9:3)^2]=
=38:[162-5×(8-3)^2]=
=38:[162-5×5^2]=
=38:[163-5×25]=
=38:[163-125]=
=38:38=
=1.