Question

(32,24 * 0,32 + 366,032 * 0,1) : 2,3 - 18,6388

Answer 1

(32,24*0,32+366,032*0,1):2,3-18,6388=
1. 32,24*0,32=10,3168
2.  366,032*0,1=36,6032 
3.10,3168+36,6032=46,92
4.46,92:2,3=20,4
5.20,4-18,6388=1,7612

Answer 2

(32,24 * 0,32 + 366,032 * 0,1) : 2,3 - 18,6388=(10.3168+36.6032):2.3-18.6388=46.92:2.3-18.6388=20.4-18.6388=1.7612