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