Question

calculează:
a)11/15+7/15-8/15
b)28/24+17/36-91/72
c)17/2[(8/3-7/24)-11/8]-23/4
d)24/35
e)72/49×8/7
f)18/5×[(9/8×24/35):81/7)​

Answer 1

Răspuns:

a)18/15-8/15=10/15=2/3

b)84+34-91/72=27/72=3/8

c)17/2×(57/24-11/8)-23/4=17/2×1-23/4=34/4-23/4=11/4

d)24/35

e)1intreg si 233/343

f)18/5×(27/35:81/7)=18/5×1/15=2/25