Răspuns:
Explicație pas cu pas:
a) 3/4
b) 15*3/5 = 9
c) 12*5/4 = 15
d) 30*4/25 = 24/5
e) 7*9/4 = 63/4
f) 20/3 * 9 = 60
g) 12/5 * 1/18 = 2/15
h) 2/9 *3/10 = 1/15
i) 11/45 * 25/22 = 5/18
j) 13/14 * 49/26 = 7/4
k) 3 * 2/7 * 7/3 = 2
l) 3 * 2/3 * 5/2 * 6 = 30
