ma poate ajuta cinevaa????repede va rog frumos???

Răspuns:
56) 452+[10200-(27+45)+246-41]=
452+(10200-72+246-41)=452+10333=10785
57) [84+6000:(14+6)-14]:[(40-10)+(75-68)]=
(84+6000:20-14):(30+7)=
(84+300-14):37=370:37=10
58) 47502:[17+69-(17+41)+50+9]-123=
47502:(17+69-58+50+9)-123=
47502:87-123=546-123=423
59) [3465-(372+345)]:4+55(639+495)=
(3465-717):4+55·1134=
2748:4+62370=687+62370=63057