Question

Efetue as adições e subtrações a seguir
a)4/7+2/7=
b)8/5-3/5
c)3/10+1/4
d) 4/5-2/3
e)5/8-1/4
f)1 1/4+2 1/6
g)1 3/10-8/9
h)3/25+2/5
i)3/4+(4/5-3/10)
j)5/8-3/8-1/8

Answer 1

a)0,85
b)1
c)0,0074
d)0,1333...
e)0,375
f)6,25
g)0,4111...
h)0,52
i)1,25
j)0,125