Matching Pairs A UNIR CÁLCULOSOnline version multiplicaciones by Mariela Medina 1 7 x 9 2 9x9 3 3x9 4 5 x6 5 8x8 6 4x5 7 4 x 9 8 5 x 9 9 7 x 5 10 8 x 5 64 35 81 40 36 63 45 20 27 30