5x 10 10x 10 July 8, 2019 16 32 64 128 5x 10 10x 10 180 Mnt 5x 10 10x 10 10 x+10+10x+102=5x-42+5 x+50 5 x 5 x 5 x 5 x 5 5 x 5 x 5 5 x 0