2.1/2×{1.2/5+1/10)×1.1/2​

Jawaban:

562,5

Penjelasan dengan langkah-langkah:

2.1/2×{1.2/5+1/10)×1.1/2=5/2×(7/5+1/10)×3/2 . (7/5+1/10)=14/10+1/10=15/10

= 5/2×15/10×3/2 = 25/10×15/10×15/10= =25×15×15/10=5.625/10=562,5