题目内容
计算:(
-0.1÷2)×
+1÷1
=
| 1 |
| 4 |
| 5 |
| 13 |
| 1 |
| 12 |
1
1
.分析:先算除法,再算小括号里面的减法,再算乘法,最后算加法.
解答:解:(
-0.1÷2)×
+1÷1
=(
-0.05)×
+
=0.2×
+
=
+
=1.
故答案为:1.
| 1 |
| 4 |
| 5 |
| 13 |
| 1 |
| 12 |
=(
| 1 |
| 4 |
| 5 |
| 13 |
| 12 |
| 13 |
=0.2×
| 5 |
| 13 |
| 12 |
| 13 |
=
| 1 |
| 13 |
| 12 |
| 13 |
=1.
故答案为:1.
点评:考查了分数和小数四则混合运算,注意运算顺序和运算法则,然后再进一步计算.
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