3 x 27 = 3 x ( × 9) = (3 × x 9= 5×14=5x( ×7) = (5× )×7 = X X 11 11
![3 X 27 3 X 9 3 X 9 5145x 7 5 7 X X 11 11 class=](https://ro-static.z-dn.net/files/ddf/6c3d113840468f8dd17805c05837a6b0.jpg)
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