1256-5511-46112467÷6125×7÷125×7(45+67)×35423×35×113×3712.25-(637+2.25).-数学

题目简介

1256-5511-46112467÷6125×7÷125×7(45+67)×35423×35×113×3712.25-(637+2.25).-数学

题目详情

12
5
6
-5
5
11
-4
6
11
24
6
7
÷6
1
2
5
×7÷1
2
5
×7
(
4
5
+
6
7
)×35
4
2
3
×
3
5
×1
1
3
×
3
7
12.25-(6
3
7
+2.25)
题型:解答题难度:中档来源:不详

答案

(1)12class="stub"5
6
-5class="stub"5
11
-4class="stub"6
11

=12class="stub"5
6
-(5class="stub"5
11
+4class="stub"6
11
),
=12class="stub"5
6
-10,
=2class="stub"5
6


(2)24class="stub"6
7
÷6,
=(24+class="stub"6
7
)÷6,
=24×class="stub"1
6
+class="stub"6
7
×class="stub"1
6

=4+class="stub"1
7

=4class="stub"1
7


(3)1class="stub"2
5
×7÷1class="stub"2
5
×7,
=1class="stub"2
5
÷1class="stub"2
5
×7×7,
=1×7×7,
=49;

(4)(class="stub"4
5
+class="stub"6
7
)×35,
=class="stub"4
5
×35+class="stub"6
7
×35,
=28+30,
=58;

(5)4class="stub"2
3
×class="stub"3
5
×1class="stub"1
3
×class="stub"3
7

=class="stub"14
3
×class="stub"3
5
×class="stub"4
3
×class="stub"3
7

=class="stub"8
5


(6)12.25-(6class="stub"3
7
+2.25)

=12.25-2.25-6class="stub"3
7

=10-6class="stub"3
7

=3class="stub"4
7

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