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b)4i3/8-4,41=35/8-4,41=4,375-4,41=-0,035
c)2,11-2i1/9=2,11-19/9≈2,11-2,11≈0
d)22/7-3,1=22/7-31/10=220/70-217/70=3/70
e)12,5*0,6=7,5
75/100 - 11/16 = (75*16-11*100)/1600 = (1200-1100)/1600 = 100/1600 = 1/16
b)4i3/8-4,41=
35/8-441/100 = (50*35-4*441)/400 = (1750-1764)/400 = -14/400 = -7/200 = -0,035
c)2,11-2i1/9=
211/100-19/9 = (9*211-19*100)/900 = (1899-1900)/900 = -1/900
d)22/7-3,1=
22/7-31/10 = (10*22-7*31)/70 = 220-217)/70 = 3/70
e)12,5*0,6=
125/10*6/10 = 750/100 = 7,5
0,75 - 11/16 = 3/4 - 11/16 = 12/16 - 11/16 = 1/16
b)
4 i 3/8 - 4,41 = 35/8 - 4,41 = 4,375 - 4,41 = -0,035
c)
2,11- 2 i 1/9 = 2,11 - 19/9 ≈ 2,11 - 2,11 ≈ 0
d)
22/7 - 3,1 = 22/7 - 31/10 = 220/70 - 217/70 = 3/70
e)
12,5 * 0,6 = 7,5
pozdrawiam < 3