Project 2

Transcript

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Klammern über Klammern

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( )

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[ ]

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{ }

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7x - { 3x + [ 5y - 6x - ( 9x - 4y ) - 2x ] + 8y } =

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-

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-9x + 4y

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= 7x - { 3x + [ 5y - 6x - 2x ] + 8y } =

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+

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+ 5y - 6x - 9x + 4y - 2x

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= 7x - { 3x + 8y } =

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-

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-3x - 5y + 6x + 9x - 4y + 2x - 8y =

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= 7x

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= 7x - 3x + 6x + 9x + 2x - 5y - 4y - 8y =

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+ 21x

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-17y

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21x - 17y