Question

1. calcula :
a) 5/6 + 7/9 + 4/3 =
c) 2/3 + 11/15 - 1/5 =
b) 5/6 + 7/9 - 1/3 =
d) 8/12 + 2/5 - 1/2 - 1/10 =

2. calcula :
a) 2/3 . 5/14 =
c) 6 . 5/4 =
b) 4/3 ÷ 7/11 =
d) 4/3 ÷ 6

3. calcula :
a) 6/7 . ( 9/4 + 3/8 ) =
c) 7/9 ÷ 4/3 + 8/12 . 2/5 =
e) 5/6 + 7/9 . 4/3 - 1/2 =
b) ( 8 + 2/5 ) ÷ ( 6 - 9/4 ) =
d) 8/12 + 2/5 ÷ 6/7 =
f) 5/6 + 7/9 . ( 4/3 - 1/2 ) =

Answer 1

Respuesta:

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Answer 2

1. calcula :
a) 5/6 + 7/9 + 4/3 =2.944
c) 2/3 + 11/15 - 1/5 =1.2
b) 5/6 + 7/9 - 1/3 =1.278
d) 8/12 + 2/5 - 1/2 - 1/10 =0.466

2. calcula :
a) 2/3 . 5/14 =0.238
c) 6 . 5/4 =7.5
b) 4/3 ÷ 7/11 = 2.095
d) 4/3 ÷ 6=0.22

3. calcula :
a) 6/7 . ( 9/4 + 3/8 ) = 2.25
c) 7/9 ÷ 4/3 + 8/12 . 2/5 =0.85
e) 5/6 + 7/9 . 4/3 - 1/2 = 1.370
b) ( 8 + 2/5 ) ÷ ( 6 - 9/4 ) = 2.24
d) 8/12 + 2/5 ÷ 6/7 = 1.133
f) 5/6 + 7/9 . ( 4/3 - 1/2 ) =1.481