首页 > 直接写出得数：①29+39=②812-512=③1-710=④12-13=⑤78-28=⑥4+67⑦715-215=⑧712-512=⑨3-12=⑩512+512=-数学

直接写出得数：①29+39=②812-512=③1-710=④12-13=⑤78-28=⑥4+67⑦715-215=⑧712-512=⑨3-12=⑩512+512=-数学

题目简介

直接写出得数：①29+39=②812-512=③1-710=④12-13=⑤78-28=⑥4+67⑦715-215=⑧712-512=⑨3-12=⑩512+512=-数学

题目详情

直接写出得数：
①
2
9
+
3
9
=		②
8
12
-
5
12
=		③1-
7
10
=		④
1
2
-
1
3
=
⑤
7
8
-
2
8
=		⑥4+
6
7
⑦
7
15
-
2
15
=		⑧
7
12
-
5
12
=
⑨3-
1
2
=		⑩
5
12
+
5
12
=
题型：解答题难度：中档来源：不详

答案

①class="stub"2
9
+class="stub"3
9
=class="stub"5
9
②class="stub"8
12
-class="stub"5
12
=class="stub"1
4
③1-class="stub"7
10
=class="stub"3
10
④class="stub"1
2
-class="stub"1
3
=class="stub"1
6
⑤class="stub"7
8
-class="stub"2
8
=class="stub"5
8
⑥4+class="stub"6
7
=4class="stub"6
7
⑦class="stub"7
15
-class="stub"2
15
=class="stub"1
3
⑧class="stub"7
12
-class="stub"5
12
=class="stub"1
6
⑨3-class="stub"1
2
=2class="stub"1
2
⑩class="stub"5
12
+class="stub"5
12
=1

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