test de matemáticas Online version Responda by lucero sepulveda 1 35 + 20 a 60 b 55 c 54 d 50 2 32 - 19 a 13 b 16 c 22 d 90 3 9 x 5 a 34 b 40 c 33 d 35 4 15 + 22 a 37 b 22 c 45 d 56 5 20 - 5 a 6 b 8 c 15 d 44 6 6 x 6 a 36 b 45 c 33 d 5