2的2次方到2的63次方答:(2,54)=18014398509481984 (2,55)=36028797018963968 (2,56)=72057594037927936 (2,57)=144115188075855870 (2,58)=288230376151711740 (2,59)=576460752303423490 (2,60)=1152921504606847000 (2,61)=2305843009213694000 (2,62)=4611686018427387900 (2,63)=9223372036854775800 Press any key to continue . ...