pakar 28+pakar 112-pakar 63=
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Jawaban:
[tex] \sqrt{28} + \sqrt{112} - \sqrt{63} \\ = \sqrt{4 \times 7} + \sqrt{16 \times 7} - \sqrt{9 \times 7} \\ = 2 \sqrt{7} + 4 \sqrt{7} - 3 \sqrt{7} \\ = 3 \sqrt{7} [/tex]
[tex]\colorbox{FAFAD2}{\tt{\colorbox{EE82EE}{✿\:Riskafrebianti\:(RiBel)\:✿}}}[/tex]
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