Question

решите по действиям примеры: (6 1/8-1.75):(9-2.2*(5 6/11-3.5))*1 2/7

Answer 1

(6 1/8-1,75):(9-2,2*(5 6/11-3,5))*1 2/7=1 1/4
 
6 1/8-1,75=6 1/8-1 75/100=6 1/8-1 3/4=49/8-7/4=49/8-14/8=35/8=4 3/8
5 6/11-3,5=5 6/11-3 5/10=5 6/11-3 1/2=61/11-7/2=122/22-77/22=45/22=2 1/22
2,2*2 1/22=2 2/10*2 1/22=22/10*45/22=45/10=4 5/10=4 1/2
9-4 1/2=18/2-9/2=9/2=4 1/2
4 3/8:4 1/2=35/8:9/2=35/8*2/9=35/36
35/36*1 2/7=35/36*9/7=5/4=1 1/4