Matematika

Pertanyaan

tolong dijawab plizzz
1.
[tex]\: 2 \frac{1}{2} + \frac{1}{2} [/tex]
2.
[tex] \frac{5}{8} \div \frac{10}{4} [/tex]
tolong dijawab plizzz 1. [tex]\: 2 \frac{1}{2}  +  \frac{1}{2} [/tex] 2. [tex] \frac{5}{8} \div  \frac{10}{4} [/tex]

1 Jawaban

  • 3. 45% + ¾= 9/20 + ¾ = 9/20 + 15/20 = 24/20= 1 1/5

    4. 0,75 - ½ = 75/100 - ½ = ¾ - ½ = ¾-2/4 = ¼

    5. 0,45 × 1,5 = 45/100 × 15/10= 9/20×3/2= 27/40

    6. 0,25 : 0,5 = 25/100 : 5/10= ¼:½ = ¼×2= ½

    7. 150%:¾×½ = 3/2 : ¾ × ½ = 2×½ = 1

    8. 4,5×0,2+2,65 = 9/10×2/10+2,65= 9/50 + 265/100 = 274/100= 2 74/100= 2 37/50

    9.