Jawaban:
50 + 10 - 20 × 2
= 50 + 10 - (20 × 2)
= 50 + 10 - 40
= 60 - 40
= 20
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Jawaban:
50 + 10 - 20 × 2
= 50 + 10 - (20 × 2)
= 50 + 10 - 40
= 60 - 40
= 20