Površina pravokutnika je 12 cm2. Duljine stranica pravokutnika iskazane u centimetrima su parni prirodni brojevi. Koliki je opseg tog pravokutnika?
matematika kroz zabavu

Quiz
•
Mirjana Kovačević Bašić
•
Mathematics
•
6th Grade
•
2 plays
•
Hard
Student preview

5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
16 cm
20 cm
26 cm
32 cm
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na modnoj reviji je 10 modela. Organizator revije ima 80 kreacija. Ako organizator da jednak broj kreacija svakoj djevojčici na natjecanju, ostat će mu 3 kreacije. Koliko je dječaka na modnoj reviji?
2
3
5
7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Obitelj ima sedam članova. Prije sedam godina svi članovi te obitelji imali su zajedno 77 godina. Koliko će godina imati zajedno za sedam godina?
125
174
175
205
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
U folklornoj skupini je 39 dječaka i 23 djevojčice. Svaki tjedan grupa se povećava za 6 dječaka i 8 djevojčica. Za nekoliko tjedana biti će isti broj djevojčica i dječaka u grupi. Koliko će tada biti djevojčica i dječaka u grupi?
174
168
184
148
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Broju 6 pribrojimo 5. Rezultat pomnožimo s 4 i dodamo 1. Krajnji rezultat imat će istu vrijednost kao izraz:
(6 + 5 • 4) +1
6 + 5 • 4 + 1
(6 + 5) • 4 + 1
6 + 5 • (4 + 1)
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