直接写出得数. + = | - = | 3× = | ÷ = |
+ = | ÷ = | 1- = | × = |
解: + =1![]() | - =0 | 3× =1![]() | ÷ =![]() |
+ =1 | ÷ =![]() | 1- =![]() | × =![]() |
,0,1
,
,1,
,
,
.分析:解,可根据分数加减法、分数的乘除法的法则进行计算即可得到答案.
点评:此题主要考查的是分数的加减、分数乘法与分数除法的计算方法.
编辑:chaxungu时间:2026-04-27 09:12:30分类:小学数学题库
直接写出得数. + = | - = | 3× = | ÷ = |
+ = | ÷ = | 1- = | × = |
解: + =1![]() | - =0 | 3× =1![]() | ÷ =![]() |
+ =1 | ÷ =![]() | 1- =![]() | × =![]() |
,0,1
,
,1,
,
,
.