Question

a)[5/6+7/6]-1/7=
b)[7/3-4/3]-12/13=
ce)4/3-[9/11+2/11=​

Answer 1

Răspuns:

a) (5+7)/6=12/6-1/7=2-1/7=(2×7)/7-1/7=14/7-1/7=13/7

b)(7-4)/3=3/3-12/13=1-12/13=(13×1)/13-12/13=13/13-12/13=1/13

c) 4/3-(9+2)/11=4/3-1=4/3-(3×1)/3=4/3-3/3=1/3