Răspuns :
a)320x5%=16
b)475x80%=380
c)265x20%=53
d)790x10%=79
e)864x25%=216
f)685x60%=411
g) 475x80%=380
h)790x10%=79
b)475x80%=380
c)265x20%=53
d)790x10%=79
e)864x25%=216
f)685x60%=411
g) 475x80%=380
h)790x10%=79
a) 5/100•320 = 1600/100 = 16
c) 20/100•265 = 5300/100 = 53
e) 25/100•864 = 1/4•864 = 864/4 = 216
g) 60/100•685 = 2/5•685 = 1370/5 = 274
b) 80/100•475 = 4/5•475 = 4•95 = 380
d) 10/100•790 = 790:10=79
f) 50/100•678 = 339
h) 75/100•968 = 3/4•968 = 3•242 = 726
c) 20/100•265 = 5300/100 = 53
e) 25/100•864 = 1/4•864 = 864/4 = 216
g) 60/100•685 = 2/5•685 = 1370/5 = 274
b) 80/100•475 = 4/5•475 = 4•95 = 380
d) 10/100•790 = 790:10=79
f) 50/100•678 = 339
h) 75/100•968 = 3/4•968 = 3•242 = 726