NATURAL NUMBERSVersion en ligne TO FIND THE CORRECT ANSWER par Bilingual Education Proposal Sede Rafael Tello 1 17- ___ = 10 a 3 b 4 c 6 d 7 2 4 +___ = 6 a 4 b 6 c 2 d -2 3 3 + ___ = 8 a 10 b 4 c 7 d 5 4 30 - ___ = 20 a 20 b 10 c 15 d -2 5 30 + ___ = 48 a 18 b 15 c 20 d 8 6 13 +10 = ___ a 33 b 23 c 13 d 43 7 5 + 4 = ____ a 10 b 54 c 9 d 0 8 9 - 3= ____ a 12 b 6 c 9 d 11 9 11 + 4 = ____ a 7 b 14 c 15 d 114 e -15 10 15- 5 = ___ a 20 b 24 c 25 d 10