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×-0.3×2)÷(2.3×0.25+0.27×2.5)=______.
(2.25÷0.375×-0.3×2)÷(2.3×0.25+0.27×2.5),
=(
×
-0.6)÷(2.3×0.25+2.7×0.25),
=5.4÷(5×
),
=
×
,
=
,
=4
;
故答案为:4
.
=(
| 9 |
| 4 |
| 8 |
| 3 |
=5.4÷(5×
| 1 |
| 4 |
=
| 27 |
| 5 |
| 4 |
| 5 |
=
| 108 |
| 25 |
=4
| 8 |
| 25 |
故答案为:4
| 8 |
| 25 |
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