Question

0.3×5+0.3×9.5的脱式计算？

Answer 1

0.3×5+0.3×9.5脱式计算方法

=0.3×14.5

=0.3×10+0.3×4+0.3×0.5

=3+1.2+0.15

=4.35

Answer 2

0.3x5十0.3x9.5
＝0.3x（0.5+4.5）＋0.3x9.5
＝0.3x0.5+0.3x4.5+0.3x9.5
＝0.3x（0.5+9.5）十0.3x4.5
＝0.3x10＋0.3x4.5
＝0.3x14.5
＝3＋13.5
＝16.5