#1. 1+2+3+4+5+6+7+8+9-9-8-7-6-5-4-3-2-1 +1=
#2. 1x2x3x4x5x6x7x8x9=
#3. 9-8-7-6-5-4-3-2-1-2-3...
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Mathematics, 14.01.2021 01:00 FireStorm7327
#1. 1+2+3+4+5+6+7+8+9-9-8-7-6-5-4-3-2-1 +1=
#2. 1x2x3x4x5x6x7x8x9=
#3. 9-8-7-6-5-4-3-2-1-2-3-4-5-6-7-8-9=
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