1/4 -0,2= -3/7+0,2= -1/3*1,5 0,36: (-18/19) заранее

A) 1/4 - 0,2 = 1/4 - 1/5 = 1/20 b) -3/7 + 0,2 = -3/7 + 1/5 = -8/35 c) -1/3 × 1,5 = -1/3 × 3/2 = -1/2 d) 0,36 ÷ (-18/19) = 9/25 ÷ (-18/19) = -9/25 × 19/18 = -1/25 × 19/2 = -19/50