来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/08/12 23:10:23
用简便方法计算下面各题(递等式)
0.98-0.036-0.064 8.57×103-8.57×3 1.01×1.01-1.01
0.98-0.036-0.064
=0.98-(0.036+0.064)
=0.98-0.1
=0.88
8.57×103-8.57×3
=8.57×(103-3)
=8.57×100
=857
1.01×1.01-1.01
=1.01×(1.01-1)
=1.01×0.01
=0.0101