Calculati:
repede va rog

Răspuns:
a)3×2/5=6/5
b)5×4/3=20/3
c)8×2=16
d)2×2/7=4/7
e)5/3×1/4=5/12
f)8/7×1/6=8/42=4/21
g)1/3×1/3=1/9
h)7/2×1/2=7/4