⋆ ˚。⋆୨୧˚using Commutativity and associativity of addition of rational number,express each of the following as a rational no✿ ˚୨୧⋆。˚ ⋆
1 )
[tex] \frac{2}{5?} + \frac{7}{?3} + \frac{ - 4}{?5} + \frac{ - 1}{?3} [/tex]
2 )
[tex] \frac{4}{?7} + 0 + \frac{? - 8}{9?} + \frac{13}{7?} + \frac{17}{21?} [/tex]
3 )
[tex] \frac{?1}{?8} + \frac{5}{?2} + \frac{2}{7?} + \frac{?7}{12?} + \frac{9}{7?} + \frac{? - 5}{16?} [/tex]
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it's so easy just for 20 coins or more
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Step-by-step explanation:
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