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Tehted

Page history last edited by Laine 4 years, 3 months ago

 

Tehted erimärgiliste arvudega.

Vaata reegleid

Erimärgiliste arvude liitmine ja lahutamine

 https://www.taskutark.ee/m/kahe-erimargilise-taisarvu-liitmine-ja-lahutamine/

Erimärgiliste arvude korrutamine ja jagamine

https://www.taskutark.ee/m/taisarvude-korrutamine-ja-jagamine/

 

KIRJUTA TEHTED vihikusse ja arvuta kirjalikult. Lahendatud ülesandest tee pilt ja saada õpetajale lainealuoja@tyripk.ee
KINDLASTI sisesta KIRJA TEEMAKS "ARVUTAMINE"
KIRJUTA KA VAHETEHTED nagu on näites

 

  1. 11 – (–15) + (–16) – 9 = 11 + 15 - 16 - 9= 26 - 25 = 1
  2. –11 + (–15) – (–16) + 9 = -11-15+16+9= -26 +25 = -1
  3. 1 – (–2) + 3 – (–4) + 5 =1+2+3+4+5=15
  4. 100 – 99 – (–98) – 97 – 2 =
  5. –1 + 1 – 2 + 2 – 3 + 3 – 4 + 4 = 0
  6. 19 – (–16) – 6 + (–8) + 5 =
  7. –19 + (–16) + 6 – (–8) – 5 =
  8. –1 – 2 – 3 – 4 – 5 = - 15
  9. 51 – 52 + 53 – 54 + 3 =
  10. –9 + 7 – 6 + 9 – 8 + 6 – 7 + 8 – 7 =
  11.  –4 · (–5) · (–2) = - 40
  12. –4 · (–5) · (–2) · (–1) = 20 · 2 = 40
  13. –2 · 3 · (–5) =
  14. –2 · (–25) · (–5) · (–4) =
  15. –8 · 4 · (–1.5) · (–125) =
  16. 2.5 · (–4) · (–25) ·· (–1) =
  17. –2 · (–3) · (–4) · (–25) = 2 · 3 · 4 · 25 =6 · 100 = 600
  18. · (–2) ·· (–125) · 5 =
  19. –0.75 · (–0.5) · (–1.5) · (–4) · 8 =
  20. 0.25 · (–1.5) · (–8)· (–0.5) · (–6) =

 

EDU! 

  

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