Wykonaj działanie 2:(2-5/2)-(5/2+3/2)*(1/2-3/2)+3/5(5/2-2/5)=
2:[2-5/2]-[5/2+3/2]*[1/2-3/2]+3/5[5/2-2/5]=2:[4/2-5/2]-[8/2]*[-2/2]+3/5[21/10]=2:[-1/2]+4+63/50= -4+4+63/50=63/50=1 13/50
wydaje mi sie ze dobrze
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2:[2-5/2]-[5/2+3/2]*[1/2-3/2]+3/5[5/2-2/5]=2:[4/2-5/2]-[8/2]*[-2/2]+3/5[21/10]=2:[-1/2]+4+63/50= -4+4+63/50=63/50=1 13/50
wydaje mi sie ze dobrze