Rozwiązane

Oblicz a) 2/3*1/4 5/8*2/5 b) 1/2*5/6 5/6*9/10 c) 3/4*2 1/3 3 1/3*2/10 d) 1 2/3*1 4/5 2 1/4*13/5​

Odpowiedź :

Chazukeviz

a) ⅔ * ¼ = 2/12 = ⅙

⅝ * ⅖ = 2/8 = ¼

b) ½ * ⅚ = 5/12

⅚ * 9/10 = 45/60 = ¾

c) ¾ * 2⅓ = ¾ * 7/3 = 7/4

3⅓ * 2/10 = 10/3 * 2/10 = 2/3

d) 1⅔ * 1⅘ = 5/3 * 9/5 = 9/3 = 3

2¼ * 13/5 = 9/4 * 13/5 = 117/20

Viz Inne Pytanie