Calcule e simplifique se possivel:
A) 9/2 + 7/4 + 2/3=
B) 2/5 + 1/10+1/2=
C)2/4 + 5/6 + 1/8=
D)2/7+1/10+3/2=
E)7/8-1/6=
F) 1/2 - 1/5=
G)8/10+1/5=
H)5/4+1/2=
I)7/3+5/6=
J)7/4+2/3+4/5=
Soluções para a tarefa
Respondido por
4
A = MMC de 2,4,3 = 12
54/12 + 21/12 + 8/12 = 83/12
B = MMC de 5,10,2 = 10
4/10 + 1/10 + 5/10 = 10/10 ou 1 inteiro
C = MMC de 4,6,8 = 24
12/24 + 20/24 + 3/24 = 35/24
D = MMC de 7,10,2 = 70
20/70 + 7/70 + 105/70 = 132/70 simplificando 66/35
E = MMC de 8,6 = 24
21/24 - 4/24 = 17/24
F = MMC de 2,5 = 10
5/10 - 2/10 = 3/10
G = MMC de 10,5 = 10
8/10 + 2/10 = 10/10 ou 1 inteiro
H = MMC de 2,4 = 4
5/4 + 2/4 + 7/4
I = MMC de 3,6 = 6
14/6 + 5/6 = 19/6
J = MMC de 4,3,5 = 60
105/60 + 40/60 + 48/60 = 193/60
54/12 + 21/12 + 8/12 = 83/12
B = MMC de 5,10,2 = 10
4/10 + 1/10 + 5/10 = 10/10 ou 1 inteiro
C = MMC de 4,6,8 = 24
12/24 + 20/24 + 3/24 = 35/24
D = MMC de 7,10,2 = 70
20/70 + 7/70 + 105/70 = 132/70 simplificando 66/35
E = MMC de 8,6 = 24
21/24 - 4/24 = 17/24
F = MMC de 2,5 = 10
5/10 - 2/10 = 3/10
G = MMC de 10,5 = 10
8/10 + 2/10 = 10/10 ou 1 inteiro
H = MMC de 2,4 = 4
5/4 + 2/4 + 7/4
I = MMC de 3,6 = 6
14/6 + 5/6 = 19/6
J = MMC de 4,3,5 = 60
105/60 + 40/60 + 48/60 = 193/60
Respondido por
1
A) 9 + 7 + 2 = 54+21+8 ==> 73
2 4 3 12 12
===========================================
B) 2 + 1+1 = 4+1+5 ==> 10 ==. 1
5 10 2 10 10
==================================================
C)2 + 5 + 1 = 12+20+3 = 35
4 6 8 24 24
============================================
D)2+ 1 +3 = 20+7+105 ==> 137
7 10 2 70 70
============================================
E)7-1= 21-4 ==> 17
8 6 24 24
======================================================
F) 1 - 1 = 5-2 ==. 3
2 5 10 10
===================================
G)8+1 = 8+2 ==> 10 ==> 1
10 5 10 10
==============================================
H)5+1= 5+2 ==> 7
4 2 4 4
=================================================
I)7+5= 14+5 ==> 19
3 6 6 6
======================================
J)7+2+4= 105+40+48 = 193
4 3 5 60 60
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