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Lera25 [3.4K]
3 years ago
14

18 divided by 3 x 2 +(4 divided by 2 +1)

Mathematics
1 answer:
Maslowich3 years ago
7 0

Answer:

9

Step-by-step explanation:

18÷3=6

6×2=12

12+4=16

16÷2=8

8+1=9

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Let's take an example to illustrate this case:

<span>positive fraction = 2/7
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Now we need to subtract  </span><span>- 3/5 from 2/7

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2/7 - (-3/5) = 2/7 + 3/5

here we need to unify the denominators as follows:

the lowest common factor between 7 and 5 is 35
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Now back to </span><span>2/7 + 3/5:

</span><span><span>2/7 + 3/5 = 10/35 + 21/35 = (10+21)/35 = 31/35

That's it




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