| 6.8+2= | 12÷(2+3)= | 5×35÷35= |
11 -5 = | 0.625× = | 50÷1%= |
3 ÷0.25= | - = | 1 -0.75= |
1÷3 = |
| 解:6.8+2=8.8 | 12÷(2+3)=2.4 | 5×35÷35=5 |
11 -5 =6![]() | 0.625× =0.5 | 50÷1%=5000 |
3 ÷0.25=12.8 | - =![]() | 1 -0.75=1.05 |
1÷3 =![]() |
故答案为:8.8,2.4,5,6
,0.5,5000,12.8,
,1.05,
.
分析:12÷(2+3)按照先算括号里面的加法,再算括号外除法的顺序计算;5×35÷35可以运用乘法结合律先算后面的除法;其它题目按照运算法则直接运算.
点评:本题考查了基本的运算法则,计算时要细心,有分数和小数的运算时,先看按照哪种形式的数运算比较简便,然后再运算.
-5
=
=
÷0.25=
-
=