+ = | 6.2÷0.5= | = | 1- = | = | 4 4= |
= | 8-2 = | = | 4÷0.25= | = | +4× = |
+ = , | 6.2÷0.5=12.4, | = , | 1- = , | = , | 4 4= , |
= , | 8-2 =1, | = , | 4÷0.25=16, | = , | +4× = . |
分析:根据分数和小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:2026-04-27 07:49:12分类:小学数学题库
+ = | 6.2÷0.5= | = | 1- = | = | 4 4= |
= | 8-2 = | = | 4÷0.25= | = | +4× = |
+ = , | 6.2÷0.5=12.4, | = , | 1- = , | = , | 4 4= , |
= , | 8-2 =1, | = , | 4÷0.25=16, | = , | +4× = . |