Răspuns :
2×3×4×5×7×8+45>a+56
6x4×5×7×8+45>a+56
24×5×7×8+45>a+56
120x7x8+45>a+56
840x8+45>a+56
6720+45>a+56
6765>a+56
=>a<6765-56
a<6709
6x4×5×7×8+45>a+56
24×5×7×8+45>a+56
120x7x8+45>a+56
840x8+45>a+56
6720+45>a+56
6765>a+56
=>a<6765-56
a<6709