А) а = 11,323323332; b = 0, (7) а = 11,323323332≈11,323 b = 0, (7)=0,77777...≈0,778 a+b=11,323+0,778=12,101 a-b=11,323-0,778=10,545 б) а = 3,979979997...; b = 29,(29) а = 3,979979997..≈3,980 b = 29,(29) =29,2929...≈29,293 a+b=3,980+29,293=33,273 a-b=3,980-29,293=-25,313
а = 11,323323332≈11,323
b = 0, (7)=0,77777...≈0,778
a+b=11,323+0,778=12,101
a-b=11,323-0,778=10,545
б) а = 3,979979997...; b = 29,(29)
а = 3,979979997..≈3,980
b = 29,(29) =29,2929...≈29,293
a+b=3,980+29,293=33,273
a-b=3,980-29,293=-25,313