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Diano4ka-milaya [45]
3 years ago
13

7. In which step does a mistake first occur?

Mathematics
1 answer:
Anna007 [38]3 years ago
4 0

Answer:

17

Step-by-step explanation:

8+2+(3×3-2)=8+2+(9-2)=8+2+7=17

mistake in the first step

firstly we do × and ÷

then + and -

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