Chứng minh rằng:8^12-2^33-2^30 chia hết cho 55
Giải thích
812−233−230 ⋮ 55
Ta có 812−233−230=2312−233−230=236−233−230=230.26−23−1=230.55 ⋮ 55
Vậy 812−233−230 ⋮ 55
812−233−230 ⋮ 55
Ta có 812−233−230=2312−233−230=236−233−230=230.26−23−1=230.55 ⋮ 55
Vậy 812−233−230 ⋮ 55