Oblicz :
a> 6‰ liczby 400
b> 15 ‰ liczby 120
c> 0.5 ‰ liczby 64
d> 20.05 liczby 8
Z obliczeniami
a) 6/100 = 0,06*400 = 24
B 15/100= 0,15* 120= 18
C 0,5/100= 0,005*8= 0,32
D 20,05/100=0,2005*8 = 1,604
a)400-100%
x - 6%
x=400*6:100=24
b)120-100%
x - 15%
x=120*15:100=18
c)64-100%
x- 0,5%
x=64*0,5%=0,32
Prosze o naj!!
d)8-100%
x- 20,5%
x=8*20,5:100=1,604
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a) 6/100 = 0,06*400 = 24
B 15/100= 0,15* 120= 18
C 0,5/100= 0,005*8= 0,32
D 20,05/100=0,2005*8 = 1,604
a)400-100%
x - 6%
x=400*6:100=24
b)120-100%
x - 15%
x=120*15:100=18
c)64-100%
x- 0,5%
x=64*0,5%=0,32
Prosze o naj!!
d)8-100%
x- 20,5%
x=8*20,5:100=1,604