4 6 7 x 1 1 8 July 8, 2019 16 32 64 128 6 4 7 x 1 3 8 قدر ناتج ضرب 4 1 6 x 1 7 8 0 6 x 7 1 2 x 4 5 1 8 4 + 4 = 6 4 7 x 6 8 4 7 - 6 8 / 1 4 4 x 6/7
