16.2×101-16.2的简便运算

来源:学生作业学帮网 编辑:学帮网 时间:2024/07/02 02:16:18

16.2×101-16.2的简便运算

16.2×101-16.2
=16.2x(100+1)-16.2
=16.2x100+16.2-16.2
=1620


16.2×101-16.2=16.2×(101-1)=16.2×100=1620

16.2×101-16.2
=16.2×101-16.2×1
=16.2×(101-1)
=16.2×100
=1620

16.2*101-16.2
=16.2*101-16.2*1
=16.2*(101-1)
=1620