hasil dari 1 1/4 - 0,75

1,25-0,75=0,50 ini jawabannya

10.
Diketahui :
- 1¼ = 5/4
- 0,75 = 75/100 = ¾

Ditanya :
- 1¼ - 0,75 = .....?

Penyelesaian :

[tex]1 \frac{1}{4} - 0.75 \\ = \frac{5}{4} - \frac{3}{4} \\ = \frac{2}{4} \\ = \frac{1}{2} \\ = 0.5[/tex]

Jawaban : C. ½

11.
Diketahui :
- n = 1 5/8 × 2 1/5 × 5/13
- 1 5/8 = 13/8
- 2 1/5 = 11/5
- 5/13

Ditanya :
- Nilai n = ....?

Penyelesaian :
- Nilai n :

[tex]n = 1 \frac{5}{8} \times 2 \frac{1}{5} \times \frac{5}{13} \\ n = \frac{13}{8} \times \frac{11}{5} \times \frac{5}{13} \\ n = \frac{143}{40} \times \frac{5}{13} \\ n = \frac{11}{8} \times \frac{1}{1} \\ n = \frac{11}{8} \\ n = 1 \frac{3}{8} [/tex]

Jawaban : B. 1⅜

Maaf Kalau Salah