Question

Zad.1 Wykonaj mnożenie.

a) 3/8 * 5/6 =

b) 4 2/9 * 6 =

c) 1 5/7 * 4 2/3 =

d) 5/14 * 7/10 =

e) 5/6 * 3/7 * 4/5 =

f) 2 * 2 * 1/4 =

g) 1/3 * 3/5 * 5/8 =

h) 4 * 3 1/8 * 3/10 =

Answer 1

a) 3/8*5/6 = 15/48 = 5/16 = 0,3125

b) 4  2/9*6 = 38/9*6 = 228/9 = 25  1/3

c) 1  5/7*4   2/3 = 12/7*14/3 = 4*2 (po skróceniu) = 8

d) 5/14*7/10 = 1/2*1/2 = 1/4

e) 5/6*3/7*4/5 = 2/7

f) 2*2*1/4 = 1

g) 1/3*3/5*5/8 = 1/8

h) 4 * 3   1/8 * 3/10 = 4*25/8*3/10 = 4*15/16 = 3  3/4 = 3,75