NÁSOBENÍ A DĚLENÍ RACIONÁLNÍCH ČÍSEL(ZLOMKY,DESETINNÁ ČÍSLA)
Quiz
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
Anna Kvasničáková
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12,9 x (-0,5) =
8,54
6,45
-6,45
-5,45
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3,36 : 0,2 =
16,8
12,6
-18,6
4,65
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
které příklady budou mít výsledek -0,35
-0,7 . 0,5 =
-0,2 : 7,0
0,07 : (-0,2) =
3,0 . 7,0
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
vyber správná tvrzení
Racionální číslo je číslo, které lze vyjádřit jako zlomek.
Nulu můžeme dělit jiným číslem, ale nesmíme žádné číslo dělit nulou.
Když vynásobíme kladné číslo se záporným, výsledek bude kladný.
Zlomky s různými jmenovateli sečteme tak, že převedeme nejdříve na společného jmenovatele, a pak sečteme čitatele.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
22,6 . 0,3 =
67,8
6,66
5,38
6,78
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2,238 : (-0,03) =
-6,146
74,6
0,012
-74,6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3/8
4/8
2/4
6/8
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