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81÷ ( 9 X 3 ) 4. 25 ÷ 5 + ( 14 – 13 ) =

Sagot :

Answer:

45a+x

x

Step-by-step explanation:

81

__x9x5+1

9x

reduce the fraction

9

-- xax5+1

x

calculate

45a

+1

x

transform the expression

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