responda: valendo 25 pontos.
(tudo quê tenho)
Anexos:
Soluções para a tarefa
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Resposta:
44.
a)
6*5/6*8=30/48
4*7/4*12=28/48
b)
30/48 > 28/48 ==> 5/8>7/12
c)
28/48-30/48=-2/48=-1/24
45.
a)5/8+3/2 =5/8+12/8=17/8
b)8/6+1/3=4/3+1/3=5/3
c)25/30+12/30=37/30
d)49/28+12/28=61/28
e) 5/45+36/45=41/45
46.
a) 1/8-20/8=-19/8
b) 24/21-7/21=17/21
c)25/10-14/10=11/10
d)63/18-6/18 =57/18
e)5/45-27/45=-22/45
49.
1/6 -----------3
3/6------------x
x/6=9/6
x=9 reais
Dabrea01:
carai tú é o bichão mesmo hem. muiro obrigada.
*muito
47.
a)21/24+108/24+8/24=137/24
b)7/35+20/35+4 =27/35+4=(27+140)/35 = 167/35
c)9/4+2/5+1/7=9/4 +14/35+5/35 =9/4+19/35=(315+76)/140=391/140
d)5/6+2/7+6=5/6+2/7+36/6 =41/6+2/7 =287/42+12/42=299/42
e)3/4+2+6/7=3/4+8/4+6/7=11/4+6/7=77/28+24/28= 105/28
a)21/24+108/24+8/24=137/24
b)7/35+20/35+4 =27/35+4=(27+140)/35 = 167/35
c)9/4+2/5+1/7=9/4 +14/35+5/35 =9/4+19/35=(315+76)/140=391/140
d)5/6+2/7+6=5/6+2/7+36/6 =41/6+2/7 =287/42+12/42=299/42
e)3/4+2+6/7=3/4+8/4+6/7=11/4+6/7=77/28+24/28= 105/28
48.
a)=7/8-9/2-1/3=7/8-36/8-1/3 =-29/8-1/3 =-(87+8)/24=-95/24
b)1/5-4/7-4=1/5-4/7-28/7=1/5-32/7=(7-160)/35=-153/35
c)9/4-2/5-1/7=45/20-8/20-1/7 =37/20-1/7=259/140-20/140=239/140
d)5/6-2/7-6=5/6-2/7-42/7=5/6-44/7=35/42-264/42=-229/42
e) 3/4-2-6/7=3/4-8/4-6/7=-5/4-6/7=-35/28-24/28=-59/28
a)=7/8-9/2-1/3=7/8-36/8-1/3 =-29/8-1/3 =-(87+8)/24=-95/24
b)1/5-4/7-4=1/5-4/7-28/7=1/5-32/7=(7-160)/35=-153/35
c)9/4-2/5-1/7=45/20-8/20-1/7 =37/20-1/7=259/140-20/140=239/140
d)5/6-2/7-6=5/6-2/7-42/7=5/6-44/7=35/42-264/42=-229/42
e) 3/4-2-6/7=3/4-8/4-6/7=-5/4-6/7=-35/28-24/28=-59/28
obrigada. você é D+
de novo. kkk
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