6.3×102 简算
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/30 21:55:43
6.3×102 简算
6.3×102 简算
6.3×102 简算
6.3×102
=6.3*(100+2)
=6.3*100+6.3*2
=630+12.6
=642.6
(6+0.3)X(100+2)=
=6.3*(100+2)=630+12.6=642.6
(6.3*10)* (102*10)
6.3×102
=6.3*(100+2)
=6.3*100+6.3*2
=630+12.6
=642.6