题目

1

13

25

×2.51+4

1

4

×5.24

提问时间：2020-12-12

答案

1

13

25

×2.51+4

1

4

×5.24
=1.52×2.51+4.25×5.24，
=1.52×（2+0.5+0.01）+（4+0.25）×5.24，
=1.52×2+1.52×

1

2

+1.52×0.01+4×5.24+

1

4

×5.24，
=3.04+0.76+0.0152+20.96+1.31，
=26.0852；
故答案为：26.0852．