Вправи 901 - 1000 » 934
Знайдіть суму: 1) –6 + (–5) = –11; 2) –0,7 + (–2,8) = –3,5; 3) –0,82 + (–0,18) = –1. 4) –5/7 + (–9/14) = –10/14 + (–9/14) = –15/14; 5) –1/4 + (–1/6) = –3/12 + (–5/12) = –8/12 = –2/3; 6) –3/8 + 0 = –3/8.
Знайдіть суму: 1) –6 + (–5) = –11; 2) –0,7 + (–2,8) = –3,5; 3) –0,82 + (–0,18) = –1. 4) –5/7 + (–9/14) = –10/14 + (–9/14) = –15/14; 5) –1/4 + (–1/6) = –3/12 + (–5/12) = –8/12 = –2/3; 6) –3/8 + 0 = –3/8.