计算: + = | - = | 12× = | ÷ = |
0× +9= | ÷3= | ×14= | 20÷ = |
1.25× ×8= | 14× ÷14× = |
+ =1![]() | - =![]() | 12× =9 | ÷ =![]() |
0× +9=9 | ÷3=![]() | ×14=4 | 20÷ =45 |
1.25× ×8=8![]() | 14× ÷14× =![]() |
,
,9,
,9,
,4,45,8
,
.分析:根据分数的加减法、分数乘法、分数除法的计算法则进行计算即可得到答案.
点评:此题主要考查的是分数加减法、分数乘法、分数除法的运算法则.
编辑:chaxungu时间:2026-04-27 12:05:12分类:小学数学题库
计算: + = | - = | 12× = | ÷ = |
0× +9= | ÷3= | ×14= | 20÷ = |
1.25× ×8= | 14× ÷14× = |
+ =1![]() | - =![]() | 12× =9 | ÷ =![]() |
0× +9=9 | ÷3=![]() | ×14=4 | 20÷ =45 |
1.25× ×8=8![]() | 14× ÷14× =![]() |
,
,9,
,9,
,4,45,8
,
.