11325×2.51+414×5.24
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/12 20:10:58
1
×2.51+4
×5.24
13 |
25 |
1 |
4 |
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.
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.