Question

Oblicz i skracaj!!! 5/102*204 , 17/52*156 , 21*9/42 , 36*11/14 ,14*6/35 ,, 23/25*15 ,, 18*5/27 ,, . 13/90*18 .19/42*28 .PLissss na jutro daje NAJ!!!!!!!!!!!!!!!

Answer 1

a) 5/102 * 204 = 10

b) 17/53 * 156 = 3

c) 21 * 9/42 = 9/2 = 8 1/2 = 8,5

d) 36 * 11/14 = 14 3/7 = 20 3/7

e) 14 * 6/35 = 12/5 = 10 2/5 = 10,4

f) 23/25 * 15 = 69/5 = 13 4/5 = 13,8

g) 18 * 5/27 = 10/3 = 3 1/3

h) 13/90 * 18 = 13/5 = 10 3/5 = 10,6

i) 19/42 * 28 = 76/6 = 12 4/6 = 12 2/3

 

Myslę, że pomogłam.

Answer 2

Zadanie w załączniku ;) chce naj ;)