Tutmom
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10. oblicz:

a) 3 2/5 + 1 4/5 = ???

b) 3 6/11 + 2 7/11 = ???

c) 5 5/9 + 4 5/9 = ???

d) 3 5/13 + 8 10/13 = ???

e) 1 3/7 + 2 3/7 + 3 3/7 = ???

f) 1 5/8 + 9 5/8 + 1 7/10 = ???

g) 8 3/10 + 4 3/10 + 7/10 = ???

h) 7/15 + 3 8/15 + 5 11/15 = ???



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Odpowiedź :

Viciu1

a) 3 2/5 + 1 4/5 = 5 1/5

b) 3 6/11 + 2 7/11 = 6 2/11

c) 5 5/9 + 4 5/9 = 10 1/9

d) 3 5/13 + 8 10/13 = 12 2/13

e) 1 3/7 + 2 3/7 + 3 3/7 = 3 6/7

f) 1 5/8 + 9 5/8 + 1 7/10 = 11 2/8

g) 8 3/10 + 4 3/10 + 7/10 = 12 6/10

h) 7/15 + 3 8/15 + 5 11/15 = 9 11/15

Liczę na Naj Pozdrawiam

JuliaXDDDDDD717Y3992

a) 3 i 2/5 + 1 i 4/5= 17/5+ 9/5= 26/5

b) 3 i 6/11+ 2 i 7/11= 39/11+ 29/11= 68/11

c) 5 i 5/9+ 4 i 5/9= 50/9+ 41/9= 91/9

d) 3 i 5/13+ 8 i 10/13= 44/13+ 114/13= 158/13

e) 1 i 3/7+ 2 i 3/7+ 3 i 3/7= 10/7+ 17/7+ 24/7= 27/7+ 24/7= 51/7

g) 8 i 3/10+ 4 i 3/10+ 7/10= 83/10+ 43/10+ 7/10= 126/10+ 7/10= 133/10

h) 7/15+ 3 i 8/15+ 5 i 11/15= 7/15+ 45/15+ 75/15= 52/15+ 75/15= 127/15

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