Question

oblicz a 3 5/12-1 2/5+3/10

b10 1/8+ 2 1/6+1/4

c 9 17/36+14 11/24

d 2 1/8+6 3/7+5 v8/2`

e 9 7/16 - 6 9/20

f 5 1/18-4 11/24

g 4 1/24-3 17/40

h 4 1/5+2 1/6-3 2/3

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o pomoc

Answer 1

a) 3 5/12-1 2/5+3/10=41/12-7/5+3/10=41/12-42/30+9/30=41/12-51/30=205/60-102/60=103/60=1 43/60

b)10 1/8+ 2 1/6+1/4 =81/8+13/6+1/4=243/24+62/24+6/24=311/24=12 23/24

c )9 17/36+14 11/24= 341/36+347/24=682/72+1041/72=1723/72=23 67/72

d) 2 1/8+6 3/7+5 8/2= 17/8+45/7+18/2+119/56+360/56+504/56=983/56=17 31/56

e) 9 7/16 - 6 9/20=151/16-129/20=755/80-516/80=239/80=2 79/80

f) 5 1/18-4 11/24= 91/18-107/24=273/72-428/72=-155/72=-2 11/72

g )4 1/24-3 17/40= 97/24-137/40=485/120-411/120=74/120=37/60

h )4 1/5+2 1/6-3 2/3= 21/5+13/6-11/3=126/30+65/30-110/30=81/30=2,7