Номер 1023
1) –12 + (–3) = –15
2) –4,2 + (–1) = –5,2
3) –0,9 + (–0,1) = –1
4) –12 + (–2,9) = –14,9
5) –1,7 + (–0,2) = –1,9
6) –15,2 + (–23,9) = –39,1
7) –2017 + (–3291) = –5308
8) –3,8 + (–2,22) = –6,02
1) –12 + (–3) = –15
2) –4,2 + (–1) = –5,2
3) –0,9 + (–0,1) = –1
4) –12 + (–2,9) = –14,9
5) –1,7 + (–0,2) = –1,9
6) –15,2 + (–23,9) = –39,1
7) –2017 + (–3291) = –5308
8) –3,8 + (–2,22) = –6,02