A)
1) 49 + 25 = 74
2) 49 - 25 = 24
3) 49 + 25 = 74
74 - 52 = 22
4) 49 - 25 = 24
24 + 9= 33
B) 9+22+14+1+8+37+6+3 = 31+14+1+8+37+6+3 = 45+1+8+37+6+3 = 46+8+37+6+3 = 54+37+6+3 = 91+6+3 = 97+3 =100
SAU
9+22+14+1+8+37+6+3 = 100
C) 26+16 = 42
28+30 = 58
42+58 = 100
Sper ca te-am ajutat !!! Cu drag , GUGULOI !!!