Question

EFETUE AS OPERAÇÕES a)4/9 +5/9= b)4/10+4/10= c)5/15 + 4/15 - 3/15= d)4/12 + 2/12+ 3/12= e)4/7+3/7+5/7= f)3/5+2/5+7/5= g)3/11+ 1/11+6/11+2/11= h)1/9+3/9+7/9+-8/9= i)3/5+2/5+4/5=

Answer 1

Resposta:

a) 4/9 + 5/9= 9/9= 1

b) 4/10 + 4/10= 8/10= 4/5

c) 5/15 + 4/15= 9/15

d) 4/12 + 2/12 + 3/12= 9/12= 3/4

e) 4/7 + 3/7 + 5/7= 12/7

f) 3/5 + 2/5 + 7/5= 12/5

g) 3/11 + 1/11 + 6/11 + 2/11=

4/11 + 8/11= 12/11

h) 1/9 + 3/9 + 7/9 + 8/9=

4/9 + 15/9= 19/9

i) 3/5 + 2/5 + 4/5=

5/5 + 4/5= 9/5

Espero que te ajude!!!

Bons estudos!!