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计算(能简算的要简算).34×34+14×0.75-75%[1-(0.25+0.375)]÷0.25.
题目详情
计算(能简算的要简算).
| [1-(0.25+0.375)]÷0.25. |
▼优质解答
答案和解析
(1)
×
+
×0.75-75%,
=
×
+
×
−
,
=
×(
+
−1),
=
×0,
=0.
(2)[1-(0.25+0.375)]÷0.25.
=[1-0.625]÷0.25,
=0.375÷0.25,
=1.5.
3 |
4 |
3 |
4 |
1 |
4 |
=
3 |
4 |
3 |
4 |
1 |
4 |
3 |
4 |
3 |
4 |
=
3 |
4 |
3 |
4 |
1 |
4 |
=
3 |
4 |
=0.
(2)[1-(0.25+0.375)]÷0.25.
=[1-0.625]÷0.25,
=0.375÷0.25,
=1.5.
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