Question

求出下列各组数在数轴上对应点之间的距离.要写清楚明白.）

Answer 1

(1) 2 - (-1.4) = 2 + 1.4 = 3.4

(2) 3.5 - 1/4 = 3.5 - 0.25 = 3.25

(3) (-5/3) - (-5) = 5 - 5/3 = 10/3 (= 3+1/3)