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3 years ago

A

Mathematics

1 answer:

nydimaria [60]3 years ago

6 0

Answer:

What exactly is the question?

Step-by-step explanation:

20+10*2= 40

75-75=0

-15+-15=-30

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#1:

$\frac{3}{9} = \frac{2}{x}\\\frac{1}{3} = \frac{2}{x}\\cross \: multiply\\x = 6\\3:9 = 2:6$

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