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