计算:8(72+1)(74+1)(78+1)(716+1)(732+1).
问题描述:
计算:8(72+1)(74+1)(78+1)(716+1)(732+1).
答
原式=(7+1)(7−1)(72+1)6•(74+1)(716+1)(78+1)=16(72-1)(72+1)(74+1)(78+1)(716+1)(732+1)=16(74-1))(74+1)(78+1)(716+1)(732+1)=16(78-1)(78+1)(716+1)(732+1)=16(716-1)...