

Exercitii si probleme de inmultire
Flashcard
•
Mathematics
•
4th Grade
•
Practice Problem
•
Hard
Alina Gogescu
Used 1+ times
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5 questions
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1.
FLASHCARD QUESTION
Front
Indoitul dublului numarului 27 este....
Back
27 x 2 x 2 = 108
2.
FLASHCARD QUESTION
Front
Ce numar scadem din 100 pentru a afla triplul numarului 13?
Back
100 - a = 3 x 13
a = 100 - 39
a = 61
3.
FLASHCARD QUESTION
Front
In camara mama asaza pe 3 rafturi cate 45 de borcane si pe 7 rafturi cate 45 de conserve. Cate conserve si borcane asaza mama? Scrie rezolvarea intr-un exercitiu.
Back
45 x (3 + 7) = 45 x 10 = 450 conserve si borcane asaza mama
4.
FLASHCARD QUESTION
Front
Maria are 49 de carti, adica de 7 ori mai multe ca Ioana si cu 15 mai multe decat Petre. Cate carti au cei 3 copii la un loc?
Back
49 + 49 : 7 + (49 - 15) = 90 carti au cei 3 copii
5.
FLASHCARD QUESTION
Front
triplul indoitului sfertului numarului 16 este....
Back
a. 32
b. 42
c. 24
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