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Mathematics 16 Online
OpenStudy (anonymous):

what is 9/10-2/5=

OpenStudy (anonymous):

how

OpenStudy (unklerhaukus):

\[\frac 9{10}-\frac25\] \[=\frac 9{10}-\frac4{10}\] \[=\frac {9-4}{10}\] \[=\quad \dots \]

OpenStudy (unklerhaukus):

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