999...9(1992个9)*99...9(1992个9)+199...9(1992个9)的末尾有多少个零

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/18 11:31:24
999...9(1992个9)*99...9(1992个9)+199...9(1992个9)的末尾有多少个零
x)ӳ04zc=ZBچbg<}t>]2醉@$X;ZQ2 Bh"a&X-VX "f3;* <;Pǫ

999...9(1992个9)*99...9(1992个9)+199...9(1992个9)的末尾有多少个零
999...9(1992个9)*99...9(1992个9)+199...9(1992个9)的末尾有多少个零

999...9(1992个9)*99...9(1992个9)+199...9(1992个9)的末尾有多少个零
999……9(1992个9)*99……9(1992个9)+199...9(1992个9)
=999……9(1992个9)*(99……9(1992个9)+1)
=999……9(1992个9)*10……0(1992个0)
末尾有1992个零