помогите 8|9:(3|4+2|3)
8|9:3|4+2|3
1-9|16:(2 1|4-1|12)
1-9|16:2 1|4-1|12
(1-9|16):2 1|4-1|12
(1-9|16):(2 1|4-1|12)

8|9:(3|4+2|3)=8/9:(9/12+8/12)=8/9*12/17=32/518|9:3|4+2|3=8/9*4/3+2/3=32/27+2/3=32/27+18/27=50/27=1 23/271-9|16:(2 1|4-1|12)=1-9/16:(2 3/12-1/12)=1-9/16:1 2/12=1-9/16*12/14=1-9|16:2 1|4-1|12(1-9|16):2 1|4-1|12(1-9|16):(2 1|4-1|12)