ninaaforever
20.01.2021 •
Mathematics
I'm running low on points can you please help me :)
Which expression is equivalent to 21 + 49?
7(3 + 49)
7(3 + 7)
7(14 + 42)
7(14 + 49)
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Ответ:
7(3+7)
Step-by-step explanation:
21+49=70
3+7=10
7*10=70
Ответ: