直接写出得数 = | + = | = | = |
= | - = | = | = |
解: =1, | + = , | =1.1, | = , |
=0.6, | - =0.25, | =0.2, | = . |
分析:横向数:(1)(2)(3)(4)依据分数加法计算方法解答,
(5)(6)(7)(8)依据分数减法计算方法解答.
点评:本题主要考查学生依据分数加减法计算方法解决问题的能力.
编辑:chaxungu时间:2026-04-26 08:40:50分类:小学数学题库
直接写出得数 = | + = | = | = |
= | - = | = | = |
解: =1, | + = , | =1.1, | = , |
=0.6, | - =0.25, | =0.2, | = . |