题目内容
计算:0.12+
÷0.25-0.25×1
=
4.5-2
| ||
|
3 |
5 |
1.86
1.86
.分析:根据小数、分数的四则混合运算进行解答即可得到答案.
解答:解:0.12+
÷0.25-0.25×1
=0.01+
÷0.25-0.25×1.6,
=0.01+2.25×
÷
-0.25×1.6,
=0.01+2.25-0.4,
=2.26-0.4,
=1.86;
故答案为:1.86.
4.5-2
| ||
|
3 |
5 |
=0.01+
2.25 |
4 |
=0.01+2.25×
1 |
4 |
1 |
4 |
=0.01+2.25-0.4,
=2.26-0.4,
=1.86;
故答案为:1.86.
点评:此题主要考查的是小数、分数的四则混合运算.

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