口算. + = | - = | 1+3 = | 2- = |
+0.875= | 1- - = | 5÷0.1= | 125×8= |
+ = , | - = , | 1+3 =4 , | 2- =1 , |
+0.875=1, | 1- - =0, | 5÷0.1=50, | 125×8=1000. |
,
,4
,1
,1,0,50,1000.分析:本题根据分数、小数、整数的加法、减法、乘法、除法的计算法则计算即可.
点评:完成此类题目要认真分析式中数据,然后快速准确得出答案.
编辑:chaxungu时间:2026-04-27 11:08:33分类:小学数学题库
口算. + = | - = | 1+3 = | 2- = |
+0.875= | 1- - = | 5÷0.1= | 125×8= |
+ = , | - = , | 1+3 =4 , | 2- =1 , |
+0.875=1, | 1- - =0, | 5÷0.1=50, | 125×8=1000. |
,
,4
,1
,1,0,50,1000.