Question

4.1:x*1.5=0.2nhanh len

Answer 1

4.1 : x * 1.5 = 0.2

=> 4.1 : x = 0.2 : 1.5 =2/15

=> x = 4.1 : 2/15 = 41/10 : 2/15 = 41/10 * 15/2 =123/4