a) 3.[(17+23)-5^9 : 5^7] b) 36.{680:[426.3^0 – (3^4+35:7)]}

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a) 3.[(17+23)-5^9 : 5^7]
b) 36.{680:[426.3^0 – (3^4+35:7)]}

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  2. `a) 3.[(17+23)-5^9:5^7]`

    `= 3.(40-5^2)`

    `=3.(40-25)=3.15=45`

    `b) 36.{680:[426.3^0 – (3^4+35:7)]}`

    `= 36.{680:[426.1-(81+5)]}`

    `= 36.[680:340]=36.2`

    `=72`

     

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