−10-10−10^5 + −10-10−10^4 + −10-10−10^2
= −100000-100000−100000 + 100001000010000 + 100
= -99000 + 10000 + 100
= -98900 + 100
= -98800
−10-10−10^5 + −10-10−10^4 + −10-10−10^2
= −100000-100000−100000 + 100001000010000 + 100
= -99000 + 10000 + 100
= -98900 + 100
= -98800