Resuelva las siguientes operaciones1 - 8, 4x5 =2 - 21, 5x2 =3 - 10, 8x5 =4 - 45, 5x2 =5 - 14, 4x5 =6 - 16, 2x5 =7 - 15, 5x4 =8 - 35, 5x2 =9 - 6, 5x8 =10 - 12, 2x5 =11 - 4, 6x5 =12 1, 2x10 =?
Resuelva las siguientes operaciones 1 - 8, 4x5 = 2 - 21, 5x2 = 3 - 10, 8x5 = 4 - 45, 5x2 = 5 - 14, 4x5 = 6 - 16, 2x5 = 7 - 15, 5x4 = 8 - 35, 5x2 = 9 - 6, 5x8 = 10 - 12, 2x5 = 11 - 4, 6x5 = 12 1, 2x10 =.