38:34+22:23=81,5
3.42-2.32=30
(46.34.93):612=1/9
38:34+22:23=38-4+22-3=34+2-1=81+0,5=81,5
3.42-2.32=3.42-2.3.3=3.42-6.3=3.(42-6)=3.10=30
(46.34.93):612=(46.34.36):612=(46.34+6):612=(212.310):612=\(\frac{2^{12}.3^{10}}{6^{12}}\)=\(\frac{1}{9}\)
=3^8-6+2^2-3=3^2+2^-1=9+0.5=9.5
=3*16-2*9=48-18=30
=(4^6*3^4*9^3)/(3^2*4^6*9^3*3^4)=1/9=\(\frac{1}{9}\)