Question

3.51×0.9+35.1简便计算？

Answer 1

回答：
3.51×0.9+35.1
=3.51×（1-0.1）+35.1
=3.51×1-3.51×0.1+35.1
=3.51-0.351+35.1
=38.61-0.351
=38.259
运用了乘法分配律

Answer 2

3.51×0.9+35.1
=3.51-3.51×0.1+35.1
=3.51-0.351+35.1
=38.259

Answer 3

3.51*0.9+35.1
=3.51×0.9+3.51*10
=3.51*（11-0.1）
=35.1+3.51-0.351
=38.61-0.351
=38.259

Answer 4

3.51×0.9+35.1=3.51×0.9+3.51×10=3.51×(0.9+1)=3.51×1.9=3.51×(2-0.1)=3.51×2-3.51×0.1=6.669

Answer 5

估计你这个题目写错了，再检查一下发过来吧