| 2.2+3.57= | 1.4-0.6= | 3.25×4= | 15× = | 44÷ = |
= | 2- = | ÷2= | = | =. |
| 2.2+3.57=5.77, | 1.4-0.6=0.8, | 3.25×4=13, | 15× =3, | 44÷ =40, |
= , | 2- =1, | ÷2= , | = , | = . |
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 09:20:15分类:小学数学题库
| 2.2+3.57= | 1.4-0.6= | 3.25×4= | 15× = | 44÷ = |
= | 2- = | ÷2= | = | =. |
| 2.2+3.57=5.77, | 1.4-0.6=0.8, | 3.25×4=13, | 15× =3, | 44÷ =40, |
= , | 2- =1, | ÷2= , | = , | = . |