直接写得数 - = | + = | × = | 2- = |
×11= | × = | 0× = | ÷ = |
÷ = | 4÷ = | × = | × = |
解: - = , | + = , | × = , | 2- = , |
×11= , | × = , | 0× =0, | ÷ =1, |
÷ =5, | 4÷ =7, | × = , | × = . |
,
,
,1
,
,
,0,1,5,7,
,
.分析:本题根据分数的加法、减法、乘法、除法的运算法则计算即可.
点评:完成有关于分数的计算关键要注意通分约分.
编辑:chaxungu时间:2026-04-27 09:08:36分类:小学数学题库
直接写得数 - = | + = | × = | 2- = |
×11= | × = | 0× = | ÷ = |
÷ = | 4÷ = | × = | × = |
解: - = , | + = , | × = , | 2- = , |
×11= , | × = , | 0× =0, | ÷ =1, |
÷ =5, | 4÷ =7, | × = , | × = . |
,
,
,1
,
,
,0,1,5,7,
,
.