Question

零点51×76点3+0点51+23点七简便计算吗？

Answer 1

0.51×76.3+0.51×23.7
＝0.51×(76.3+23.7)
＝51

Answer 2

0.51x76.3+0.51x23.7
=0.51x(76.3+23.7)
=0.51x100
=51。