Question

三点46×9点9+3点四六用简便方法计算脱式？

Answer 1

第2个陆姿凳加数“3点册碧四六”本来早旅是0.346
3.46×9.9+0.346
=3.46×9.9+3.46×0.1
=3.46×(9.9+0.1)
=3.46×10
=34.6

Answer 2

3.46×9＋3.46
＝3.46×(9＋1)
＝3.46×10
＝34.6

Answer 3

计算州戚培谨如册中陵下：

=3.46×9.9+3.46

=3.46×(10-0.1)+3.46

=3.46×10-3.46×0.1+3.46

=34.6-0.346+3.46

=34.254+3.46

=37.714

Answer 4

3.46×9.9+3.46
=3.46×（9.9+1）薯明桐数坦
=3.46×（10-0.1+1）槐携
=34.6-0.346+3.46
=34.6+3.46-0.346
=38.06-0.346
=37.714