题目内容
计算:
(2.25÷0.375×
-0.3×2
)÷(2.3×0.25+0.27×2.5)=______.
(2.25÷0.375×
| 1 |
| 6 |
| 2 |
| 3 |
(2.25÷0.375×
-0.3×2
)÷(2.3×0.25+0.27×2.5)
=(
×
×
-
×
)÷(0.23×2.5+0.27×2.5),
=(1-
)÷[(0.23+0.27)×2.5],
=
÷[0.5×2.5],
=
÷
,
=
.
故答案为:
.
| 1 |
| 6 |
| 2 |
| 3 |
=(
| 9 |
| 4 |
| 8 |
| 3 |
| 1 |
| 6 |
| 3 |
| 10 |
| 8 |
| 3 |
=(1-
| 4 |
| 5 |
=
| 1 |
| 5 |
=
| 1 |
| 5 |
| 5 |
| 4 |
=
| 4 |
| 25 |
故答案为:
| 4 |
| 25 |
练习册系列答案
相关题目