C.
When Ria sees 4.9 -3.5, she says, "3.5 +0.5 = 4.0, 4.9 = 4.0 +0.9),[0.5 +0.9 =1.4"
3
So, 4.9-3.5 = 1.4.
How do you think she would find 2.5-1.3
Answers
Answered by
1
Answer:
No clue sorry
Step-by-step explanation:
No clue sorry
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