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[1+(5×7-2×15)]÷2×(2×8-15)÷[3(1+14÷7)+2=1

Răspuns :

[1+(35-30)]÷2×(16-15)÷[3(1+2)+2=
(1+5)÷2×1÷3×3+2=
6÷2×1÷3×3+2=
3×1÷3×3+2=
3÷3×3+2=
1×3+2=
3+2=5