Calcule:
a)5/2 + 3/4
b)3/2 + 7/3
c)6/8 + 3/2
d)9/3 + 1/4
e)12/6 - 3/8
f)4/3 - 1/6
g)7/4 - 8/9
h)10/5 - 3/6
i)2/3 + 3/4 + 2/6
j)5/4 + 2/6 + 4/5
k)10/3 + 1/5 - 2/3
l)6/5 - 2/3 - 1/3
m)7/3 + 3/4 - 2/4
n)7/5 + 2/3 - 1/3
Respostas
respondido por:
14
a)5/2 + 3/4
20+6/8=>26/8=>13/4
b)3/2 + 7/3
9+14/6 =>23/6
c)6/8 + 3/2
12+24/16=>36/16=>18/8=>9/4
d)9/3 + 1/4
36+3/12=>39/12=>13/4
e)12/6 - 3/8
46-18/48
28/48=>14/24=>7/12
f)4/3 - 1/6
24-3/18=>21/18=>7/6
g)7/4 - 8/9
63-32/36=>31/36
h)10/5 - 3/6
60-15/30=>45/30=>15/15=>1
i)2/3 + 3/4 + 2/6
8+9/12+2/6=>
17/12+2/6=>
102+24/72=>
126/72=>
63/36=>
21/12=>
9/4
j)5/4 + 2/6 + 4/5
30+8/24+4/5
38/24+4/5
19/12+4/5
95+48/60
143/60
k)10/3 + 1/5 - 2/3
50+3-10/15
43/15
l)6/5 - 2/3 - 1/3
18-10-5/15
3/15
m)7/3 + 3/4 - 2/4
28+9-6/12
31/12
n)7/5 + 2/3 - 1/3
21+10-5/15
26/15
espero ter ajudado ☺
20+6/8=>26/8=>13/4
b)3/2 + 7/3
9+14/6 =>23/6
c)6/8 + 3/2
12+24/16=>36/16=>18/8=>9/4
d)9/3 + 1/4
36+3/12=>39/12=>13/4
e)12/6 - 3/8
46-18/48
28/48=>14/24=>7/12
f)4/3 - 1/6
24-3/18=>21/18=>7/6
g)7/4 - 8/9
63-32/36=>31/36
h)10/5 - 3/6
60-15/30=>45/30=>15/15=>1
i)2/3 + 3/4 + 2/6
8+9/12+2/6=>
17/12+2/6=>
102+24/72=>
126/72=>
63/36=>
21/12=>
9/4
j)5/4 + 2/6 + 4/5
30+8/24+4/5
38/24+4/5
19/12+4/5
95+48/60
143/60
k)10/3 + 1/5 - 2/3
50+3-10/15
43/15
l)6/5 - 2/3 - 1/3
18-10-5/15
3/15
m)7/3 + 3/4 - 2/4
28+9-6/12
31/12
n)7/5 + 2/3 - 1/3
21+10-5/15
26/15
espero ter ajudado ☺
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