aydenrpatel aydenrpatel

04-06-2020
Mathematics

contestada

Select 2 strategies that we can use to add 319 +291.
Choose 2 answers:
CORRECT (SELECTED)
Add 320 + 290.
INCORRECT (SELECTED)
Add 319 + 300 + 9.
Add 310 + 300.

Respuesta :

Аноним Аноним

04-06-2020

Answer:

I think it is 310 plus 300 and

320 plus 390

Step-by-step explanation:

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