1)решите уравнение (х-1 3/4)*2/3=0
2)12(х-1 3/10*5/6)=0

(х-1 3/4)×2/3=0
х-1 3/4=0÷2/3
х-1 3/4=0
х=1 3/4

12(х-1 3/10×5/6)=0
12(х- 13/10×5/6)=0
12(х-13/12)=0
х-13/12=0÷12
х-13/12=0
х=13/12
х=1 1/12