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Oksana_A [137]
3 years ago
8

A model with 3 rows of 5 squares and 3 rows of 3 squares. Use the model to find the missing number in the pair of equivalent exp

ressions. 15 + 9 = ?(5 + 3) What number is missing from the expression?
Mathematics
2 answers:
I am Lyosha [343]3 years ago
5 0

Answer:

3

Step-by-step explanation:

zhenek [66]3 years ago
3 0

Answer:

3

Step-by-step explanation:

15+9=3(5+3)

24=3(5+3)  --->  24=3x8

24=24

So it's 3

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