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计算1.25-(512+516)×80%
题目详情
计算 1.25-(
+
)×80%
5 |
12 |
5 |
16 |
▼优质解答
答案和解析
1.25-(
+
)×80%
=1.25-(
×
+
×
)
=1.25-(
+
)
=1.25-
-
=1-
=
5 |
12 |
5 |
16 |
=1.25-(
5 |
12 |
4 |
5 |
5 |
16 |
4 |
5 |
=1.25-(
1 |
3 |
1 |
4 |
=1.25-
1 |
3 |
1 |
4 |
=1-
1 |
3 |
=
2 |
3 |
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