
Ratsionaalarvude liitmine ja lahutamine
Quiz
•
Mathematics
•
7th Grade
•
Hard

M M
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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Mis on ratsionaalarvud?
positiivsed ja negatiivsed arvud
naturaalarvud, aga mitte täisarvud
harilikud murrud
kümnendmurrud
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
13
3
-3
-13
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kui summas esinevad ..., siis võime need maha kriipsutada, sest nende summa on....
negatiivsed arvud; positiivne
vastandarvud; null
sama väärtusega arvud; võrdne
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kes murrab enne oma jala: kas see, kes kukub kapilt või see, kes kukub kirikutornist?
See, kes kukub kapilt, sest ta jõuab ennem maha.
See, kes kukub kirikutornist, sest sealt on valusam kukkuda.
kapp
Maria
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10
0
-10
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Negatiivse arvu lahutamise asemel...
korrutame absoluutväärtuse.
lahutame vastandarvu.
jagame vastandarvu.
liidame vastandarvu, st positiivse arvu.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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