1) а=1,769, b=7,1063
a ≈ 1,77 b ≈ 7,11
a+b = 1,77+7,11 = 8,88
a-b = 1,77 -7,11 = -5,34
2) a= -4,946, b=6,056
a ≈ -4,95 b ≈ 6,06
a+b = -4,95+6,06 = 1,11
a-b = -4,95-6,06 = -11,01
3) a= -2,106, b= -3,879
a ≈ -2,11 b ≈ -3,88
a+b = -2,11+(-3,88) = -5,99
a-b = -2,11-(-3,88) = -2,11+3,88 = 1,77
1) а=1,769, b=7,1063
a ≈ 1,77 b ≈ 7,11
a+b = 1,77+7,11 = 8,88
a-b = 1,77 -7,11 = -5,34
2) a= -4,946, b=6,056
a ≈ -4,95 b ≈ 6,06
a+b = -4,95+6,06 = 1,11
a-b = -4,95-6,06 = -11,01
3) a= -2,106, b= -3,879
a ≈ -2,11 b ≈ -3,88
a+b = -2,11+(-3,88) = -5,99
a-b = -2,11-(-3,88) = -2,11+3,88 = 1,77