a) 49+28= 76
b) 43+12=55
c) 17+36=53
d) 51+76=127
a, 49 + 28 = 77
b, 43 + 12 = 55
c, 17 + 36 = 53
d, 51 + 76 = 127
a, 49 + 28 = 77 c, 17 + 36 = 53
b, 43+ 12 = 55 d, 51 + 76 = 127
a. 49+28=77
b. 43+12=-55
c.17+36=53
d. 51+76=127
a,49+28=77 c, 17+36=53
b, 43+12=55 d, 51+76=127
a, 49 + 28 = 77
b, 43 + 12 = 55
c, 17 + 36 = 53
d, 51 + 76 = 127