ЧАСТИНА 2 - Вправи: 1073

1073. Знайди значення виразу:

1) –359 + 716 = 716 – 359 = 676 – 359 = 321 - 1018 = 31118;

2) 729 + (–234) = 729 – 234 = 6119 – 234 = 444-2736 = 41736;

3) –456 + (–535) = –925 + 1830 = –94330 = –101330;

4) –738 + 4710 = –(738 – 4710) = – (6118 – 4710) = –255 - 2840 = –22740;

5) –10 + 8713 = –(10 – 8713) = –(91313 – 8713) = –1613;

6) 759 + (–61112) = 759 – 61112 = 6149 – 61112 = 56 - 3336 = 2336;

7) –34 + 3,6 = –0,75 + 3,6 = 3,6 – 0,75 = 2,85;

8) 2,05 + (–325) = 2,05 + (–3,4) = –(3,4 – 2,05) = –1,35;

9) –0,45 + (–214) = –0,45 + (–2,25) = –2,7;

10) –0,4 + 1415 = – 25 + 1415 – 25 = 1915 – 615 = 1315;

11) 423 + (–5,1) = 423 + (–5110) = –(5110 – 423) = –(41110 – 423) = – 33 - 2030 = –1330;

12) 216 + (–1,12) = 216 + (–1325) = 216 – 1325 = 125 - 18150 = 17150.