Matching Pairs matematicaOnline version flechas by mauro ciarlantini 1 25 x 3 2 81 + 45 - 33 3 245 + 176 - 207 4 638 - 429 - 109 5 23 x 2 - 29 6 466-128+137 7 76 + (8x2) 8 30 - ( 9 x 3 ) 17 25 + 25 + 25 92 214 3 100 475 93