Emh a) (7)/(12)+(5)/(6) c) 15 xx(11)/(25) b) (8)/(13)-(2)/(9) d) 36(9)/(11) c) (1)/(2)+(3)/(5)xx(4)/(7) y) (3)/(7)*4+(2)/(5) Cim x a) x xx(1)/(2)*(1)/(3) b) (2)/(9):x=(2)/(3)

a) 1 5/12 b) 6 3/5 c) 0.393162 d) 2/3 e) 59/70 y) 4 29/35 3a) 2/3 3b) 1/3

1. a) = = 1 5/12 b) = = 6 3/5 c) = = 0.393162 d) = e) = y) = = 4 29/352. 3a) => x = 3b) => x =