(90-42:3*2):2=(2700-30)*(40-32)=(5600-12240:3)+145=400000-702*5:10=

Question

(90-42:3*2):2=
(2700-30)*(40-32)=
(5600-12240:3)+145=
400000-702*5:10=

Answer 1

1) 23,5
2) 21360
3) 1665
4) 399649