28×(25×40)=(28×b)×40,nilai b
Matematika
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Pertanyaan
28×(25×40)=(28×b)×40,nilai b
1 Jawaban
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1. Jawaban BSunShine
28 × (25 × 40) = (28 × b) × 40
28 × 1000 = 28b × 40
28.000 = 1.120b
28.000/1.120 = b
25 = b