Question

15+5 x {50-5÷[2-15÷(18-15÷5)] x 4+15}+15=?​

Answer 1

Salutare!

15+5×{50-5÷[2-15÷(18-15÷5)]×4+15}+15=

15+5×{50-5:[2-15:(18-3)]×4+15}+15=

15+5×[50-5:(2-15:15)×4+15]+15=

15+5×[50-5:(2-1)×4+15]+15=

15+5×(50-5:1×4+15)+15=

15+5×(50-5×4+15)+15=

15+5×(50-20+15)+15=

15+5×(30+15)+15=

15+5×45+15=

15+225+15=

240+15=

255