Question

选择合适的方法计算下题

0.23×11.3-0.13×2.3（这道题可以简算吗，如果可以简算，又该怎样简算？）

Answer 1

0.23×11.3-0.13×2.3
=0.23x11.3-0.23x1.3
=0.23x(11.3-1.3)
=0.23x10
=2.3

Answer 2

2.3*0.1*11.3-0.13*2.3
=2.3*（1.13-0.13）
=2.3*1
=2.3

Answer 3

0.23X11.3-1.3X0.23=0.23(11.3-1.3)=2.3

Answer 4

0.23*(11.3-1.3)