Question

{(17-4÷2)^2 ÷3+2×7-3}+{[(15+6÷2)÷3+2]÷4+3}^2 ÷5-4

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Answer 1

((17-2)^2 :3+2x7-3)+(((15+3):3+2):4+3)^2 :5-4
((15)^2 :3+2x7-3))+((18:3+2):4+3)^2 :5-4
(225:3+2x7-3)+((6+2):4+3)^2 :5-4
(75+14-3)+(8:4+3)^2 :5-4
86+(2+3)^2 :5-4
86+5^2 :5-4
86+25:5-4
86+5-4
87