toxsicity
21.05.2020 •
Mathematics
Evaluate - 2 + 7+ (-4).
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Ответ:
1
Step-by-step explanation:
You start by adding -2 and 7.
Because the 2 is negative, it's like subtracting from 7.
This is how you get 5 from -2 +7.
Next, you have to add 5 and -4.
It's like subtracting again, so you get 1.
Ответ:
Step-by-step explanation: