Question

calcular aplicando las propiedades adecuadamente b)7/3+4/3+2/3= c) (-8-3+[-(2-5)+11]-(7-15)) D) 7/5-11/5 E) 7/10+3/4+5/20 F) 1/6+3/8-7/12 g) 3/5 -1/3+5/4 h) 5+2/3(-8/7+2)​

Answer 1

B)
7/3+4/3+2/3
11/3+2/3
13/3

C)
(-8-3+(-(-3)+11)-(-8)
(-8-3+(3+11)+8
(-8-3+14)+8
(-11+14)+8
3+8
11

D)
7/5-11/5
-4/5

E)
7/10+3/4+5/20
14/20+15/20+5/20
29/20+5/20
34/20

F)
1/6+3/8-7/12
16/96+36/96-56/12
-4/96
-2/48
-1/24

G)
3/5-1/3+5/4
36/60-20/60+75/60
16/60+75/60
91/60

H)
5-16/21+4/3
105/21-16/21+28/21
89/21+28/21
117/21