Oi....
1)
a) 11/4 = 11 ÷ 4 = 2,75
b) 71/50 = 71 ÷ 50 = 1,42
c) 19/11 = 19 ÷ 11 = 1,7272...
d) 5/6 = 5 ÷ 6 = 0,833...
e) 53/9 = 53 ÷ 9 = 5,888..
f) 9/25 = 9 ÷ 25 = 0,36
g) 17/10 = 17 ÷ 10 = 1,7
h) 41/100 = 41 ÷ 100 = 0,41
i) 23/6 = 23 ÷ 6 = 2,8333...
2)
a) 0,8 = 8/10 ÷ 2 = 4/5
b) 0,04 = 4/100 ÷ 4 = 1/25
c) 2,25 = 225/100 ÷ 25 = 9/4
d) 1,8 = 18/10 ÷ 2 = 9/5
e) 2,5 = 25/10 ÷ 5 = 5/2
f) 0,075 - 75/1000 ÷ 25 = 3/40
g) 4,6 = 46/10 ÷ 2 = 23/5
h) 3,95 = 395/100 ÷ 5 = 79/20
i) 2,08 = 208/100 ÷ 4 = 52/25
3)
a) 2,333... = 2 + 3/9 = 21/9 ÷3 = 7/3
b) 0,4141... = 41/99
c) 0,8 = 8/10 ÷ 2 = 4/5
d) 0,3666... = 36 -3/90 = 33/90 ÷ 3 = 11/30
e) 0,0606... = 6/99 ÷ 3 = 2/33
f) 03222.. = 32 - 3/90 = 29/90
g) 2,444... = 2 + 4/9 = 22/9
Espero ter ajudado.
Bons estudos.
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Oi....
1)
a) 11/4 = 11 ÷ 4 = 2,75
b) 71/50 = 71 ÷ 50 = 1,42
c) 19/11 = 19 ÷ 11 = 1,7272...
d) 5/6 = 5 ÷ 6 = 0,833...
e) 53/9 = 53 ÷ 9 = 5,888..
f) 9/25 = 9 ÷ 25 = 0,36
g) 17/10 = 17 ÷ 10 = 1,7
h) 41/100 = 41 ÷ 100 = 0,41
i) 23/6 = 23 ÷ 6 = 2,8333...
2)
a) 0,8 = 8/10 ÷ 2 = 4/5
b) 0,04 = 4/100 ÷ 4 = 1/25
c) 2,25 = 225/100 ÷ 25 = 9/4
d) 1,8 = 18/10 ÷ 2 = 9/5
e) 2,5 = 25/10 ÷ 5 = 5/2
f) 0,075 - 75/1000 ÷ 25 = 3/40
g) 4,6 = 46/10 ÷ 2 = 23/5
h) 3,95 = 395/100 ÷ 5 = 79/20
i) 2,08 = 208/100 ÷ 4 = 52/25
3)
a) 2,333... = 2 + 3/9 = 21/9 ÷3 = 7/3
b) 0,4141... = 41/99
c) 0,8 = 8/10 ÷ 2 = 4/5
d) 0,3666... = 36 -3/90 = 33/90 ÷ 3 = 11/30
e) 0,0606... = 6/99 ÷ 3 = 2/33
f) 03222.. = 32 - 3/90 = 29/90
g) 2,444... = 2 + 4/9 = 22/9
Espero ter ajudado.
Bons estudos.