Pertanyaan

80 20 + 45 + 245 = ...

$\frac{20 + 45 + 245}{80} = ...$

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Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah B.

Pembahasan

Jadi, jawaban yang tepat adalah B.

$table attributes columnalign right center left columnspacing 2px end attributes row cell fraction numerator square root of 20 plus square root of 45 plus square root of 245 over denominator square root of 80 end fraction end cell equals cell fraction numerator square root of 4 times 5 end root plus square root of 9 times 5 end root plus square root of 49 times 5 end root over denominator square root of 4 times 4 times 5 end root end fraction end cell row blank equals cell fraction numerator 2 square root of 5 plus 3 square root of 5 plus 7 square root of 5 over denominator 2 times 2 square root of 5 end fraction end cell row blank equals cell fraction numerator left parenthesis 2 plus 3 plus 7 right parenthesis square root of 5 over denominator 4 square root of 5 end fraction end cell row blank equals cell fraction numerator 12 square root of 5 over denominator 4 square root of 5 end fraction end cell row blank equals 3 end table$

Jadi, jawaban yang tepat adalah B.