Question

помогите пожалуйста!!
(15,964:5,2-1,2)*0,1=
(21,62*3,5-52,08:8,4)*0,5=

Answer 1

(15,964:5,2-1,2)*0,1=(3,07-1.2)*0.1=1.87*0.1=0.187
(21,62*3,5-52,08:8,4)*0,5=(75.74-6.4)*0.5=69.34*0.5=34.67