题目内容
计算.
×
÷
;
(2-0.6)÷
.
| 4 |
| 9 |
| 15 |
| 16 |
| 5 |
| 6 |
(2-0.6)÷
| 7 |
| 13 |
分析:(1)先算乘法,再算除法;
(2)先算减法,再算除法.
(2)先算减法,再算除法.
解答:解:(1)
×
÷
=
×
=
;
(2)(2-0.6)÷
=1.4×
=2.6.
| 4 |
| 9 |
| 15 |
| 16 |
| 5 |
| 6 |
=
| 5 |
| 12 |
| 6 |
| 5 |
=
| 1 |
| 2 |
(2)(2-0.6)÷
| 7 |
| 13 |
=1.4×
| 13 |
| 7 |
=2.6.
点评:混合运算抓住运算顺序,注意小数分数的特点,灵活化简计算.
练习册系列答案
相关题目