6 = 1 , 72 ... 9 ... 2 = 10 , 64 ... 17 ... 2 = 98 , 56 ... 9 ... 6 =2
75:15-5
48-48:6
36:6:6
72:9+2
64+17*2
56-9*6
1×2×3×4×5=120
aбо
5×5=25