100-30:3×45:25+3,5+4 ????

Question

100-30:3×45:25+3,5+4 ????

Answer 1

100-10*45/25+3,5+4=
100-450/25+3,5+4=
100-18+3,5+4=
89,5

Answer 2

100-18+3,5+4=87,5///////////