Nilai dari 6,25 × 5,8 + 6,25 × 5,1- 6,25 × 2,9=

(625/100 × 58/10) + (625/100 × 51/10) – (625/100 × 29/10)
= (25/4 × 29/5) + (25/4 × 51/10) – (25/4 × 29/10)
=725/20 + 1275/40 – 725/40
= 145/4 + 255/8 – 145/8
= 290/8 + 255/8 – 145/8
= 400/8
= 50

36,25 + 31,875 – 18,125
=50

c jawabannya 50