Respuesta :
Answer:
first one: yes
second one: yes
third one: no
fourth one: yes
Step-by-step explanation:
Answer:
1. no
2.no
3.yes
4.no
Step-by-step explanation:
4 3/4
=19/4
1.63/8-15/8
=63-15/8
=48/8
=6
2.85/12-32/3
=85/12-32*4/3*4
=85/12-128/12
=85-128/12
=-43/12
3.101/8-63/8
=101-63/8
=38/8
=19/4
4.7/12+21/3+15/6
=7/12+21*4/3*4+15+2/6*2
=7/12+84/12+30/12
=7+84+30/12
=121/12