0.63÷0.1+0.9怎么简便计算

分类: 作业答案 • 2021-12-19 15:53:42

问题描述：

0.63÷0.1+0.9怎么简便计算

答

计算器 =7把貌似

答

0.63÷0.1+0.9
= 6.3 + 0.9
= 0.9*7 + 0.9
= 0.9*(7+1)
= 0.9 * 8
= 7.2

答

0.63÷0.1+0.9
=0.63*10+0.9
=0.9*7+0.9
=0.9*(7+1)
=0.9*8
=7.2

答

0.63÷0.1+0.9
=6.3+1-0.1
=7.3-0.1
=7.2

答

=6.3÷1+0.9
=6.3+0.9
=7.2