| 直接写出得数 1.2×0.5= | 0÷10= | + = | 1- = |
1÷ = | × = | (1- )×16= | = |
| 1.2×0.5=0.6, | 0÷10=0, | + = , | 1- = , |
1÷ =5, | × = , | (1- )×16=2, | = . |
,
,5,
,2,
.分析:本题根据小数、分数的乘法、除法、加法与减法的运算法则计算即可.
(1-
)×16可根据乘法分配律计算;
可根据乘法交换律计算.点评:完成此类题目要细心能简便计算的要简便计算.
编辑:chaxungu时间:2026-04-27 07:49:44分类:小学数学题库
| 直接写出得数 1.2×0.5= | 0÷10= | + = | 1- = |
1÷ = | × = | (1- )×16= | = |
| 1.2×0.5=0.6, | 0÷10=0, | + = , | 1- = , |
1÷ =5, | × = , | (1- )×16=2, | = . |
,
,5,
,2,
.
)×16可根据乘法分配律计算;
可根据乘法交换律计算.