4 years ago

Which addition sentence could help solve this problem 3 + 5 + 7 =15

Mathematics

2 answers:

zheka24 [161]4 years ago

8 0

3+7=10 because three and seven are both in your equation so after adding 3 and 7 all you must do is add 5 to 10

Arturiano [62]4 years ago

8 0

Answer:

think about what you know regrouping. fill in each box. use words, numbers, and pictures, show as many ideas as you can

Step-by-step explanation:

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Answer:

see explanation

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