Question

1-Efetue as operações:
a)1/3+2/3
b)2/5+3/7
c)9/12-3/6
d)2/9x3/14
e)7/8 : 14/24
f 2/3-1/5+2/6

2-Calcule o valor de cada expressão numerica:

a)(3/4+1/2) - (1/2-1/6) + 1/8
b)(7-5 : 3/25 -2) : (2/3x12/7+1)
c)( 1+2/3 : 4/5+9/4) : (3/4 +7/8 x 5/3)

Answer 1

1a) =3
b) 29/35
c)1/3
d)6/126
e)1,5
f)24/30