题目内容
9×(
-
)-0.2=
.
| 2 |
| 15 |
| 1 |
| 12 |
| 1 |
| 4 |
| 1 |
| 4 |
分析:本题根据四则混合运算的运算顺序计算即可:先算括号内的减法,再算乘法,最后算减法.
解答:解:9×(
-
)-0.2
=9×(
-
)-0.2,
=9×
-0.2,
=
-
,
=
.
故答案为:
.
| 2 |
| 15 |
| 1 |
| 12 |
=9×(
| 8 |
| 60 |
| 5 |
| 60 |
=9×
| 1 |
| 20 |
=
| 9 |
| 20 |
| 4 |
| 20 |
=
| 1 |
| 4 |
故答案为:
| 1 |
| 4 |
点评:完成本题要细心,注意通分约分.
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