| 1.8÷0.3= | ÷75%= | 1÷1 = | 2-1 = | 3 - - = |
3÷4× = | 1 × = | ×4.5= | 1 ÷1.375= | 0.1×0.1÷0.1÷0.1= |
| 1.8÷0.3=6, | ÷75%= , | 1÷1 = , | 2-1 = , | 3 - - =2 , |
3÷4× = , | 1 × =1, | ×4.5=0.6, | 1 ÷1.375=1, | 0.1×0.1÷0.1÷0.1=1. |
分析:根据小数和分数加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后再进一步计算即可.
编辑:chaxungu时间:2026-04-26 08:59:43分类:小学数学题库
| 1.8÷0.3= | ÷75%= | 1÷1 = | 2-1 = | 3 - - = |
3÷4× = | 1 × = | ×4.5= | 1 ÷1.375= | 0.1×0.1÷0.1÷0.1= |
| 1.8÷0.3=6, | ÷75%= , | 1÷1 = , | 2-1 = , | 3 - - =2 , |
3÷4× = , | 1 × =1, | ×4.5=0.6, | 1 ÷1.375=1, | 0.1×0.1÷0.1÷0.1=1. |