كيكة يراد تقسيمها على ثمانى قطع متسساوية بحيث يكون بثلاث ضربات سكين كيف

To divide a cake into eight equal pieces, it can be done with three knife cuts. First, cut the whole cake in a scissor shape with two knife cuts, then cut it in half horizontally. This way, the cake will be divided into 8 equal pieces with three knife cuts.