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Mathematics 18 Online
OpenStudy (anonymous):

ummmm whats 21x34(3-66)

OpenStudy (saifoo.khan):

we always solve the brackets first.

OpenStudy (anonymous):

o

OpenStudy (anonymous):

21X34(-63)

OpenStudy (saifoo.khan):

\[21 \times 34 ( -63)\]

OpenStudy (anonymous):

then just solve through

OpenStudy (saifoo.khan):

now multiply them all three using your lovely calculator.

OpenStudy (anonymous):

:)

OpenStudy (saifoo.khan):

=)

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