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15-09-2021
Mathematics

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9 ÷ 3[(20 − 7) − 2squared]

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Аноним Аноним

15-09-2021

Answer:

[tex]{ \tt{9 \div 3 \{(20 - 7) - 2 {}^{2} \} }} \\ \\ { \tt{ = 9 \div 3(13 - 4)}} \\ \\ { \tt{ = 9 \div 3(9)}} \\ \\ = { \tt{(9 \div 9)(1 \div 3)}} \\ \\ \dashrightarrow \: { \boxed{ \tt{ \: \: = \frac{1}{3} \: \: }}}[/tex]

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