口算:19+59=711-711=12+3=2.6-135=5-811=15-16=1114+914=512-112=2-13-23=23+17-23=127-(27+18)=34+38+34+58=

题目简介

口算:19+59=711-711=12+3=2.6-135=5-811=15-16=1114+914=512-112=2-13-23=23+17-23=127-(27+18)=34+38+34+58=

题目详情

口算:
1
9
+
5
9
=
7
11
-
7
11
=
1
2
+3=
2.6-1
3
5
=
5-
8
11
=
1
5
-
1
6
=
11
14
+
9
14
=
5
12
-
1
12
=
2-
1
3
-
2
3
=
2
3
+
1
7
-
2
3
=
1
2
7
-(
2
7
+
1
8
)=
3
4
+
3
8
+
3
4
+
5
8
=
题型:解答题难度:中档来源:不详

答案

class="stub"1
9
+class="stub"5
9
=class="stub"2
3
class="stub"7
11
-class="stub"7
11
=0
class="stub"1
2
+3=3class="stub"1
2
2.6-1class="stub"3
5
=1
5-class="stub"8
11
=4class="stub"3
11
class="stub"1
5
-class="stub"1
6
=class="stub"1
30
class="stub"11
14
+class="stub"9
14
=class="stub"10
7
class="stub"5
12
-class="stub"1
12
=class="stub"1
3
2-class="stub"1
3
-class="stub"2
3
=1
class="stub"2
3
+class="stub"1
7
-class="stub"2
3
=class="stub"1
7
1class="stub"2
7
-(class="stub"2
7
+class="stub"1
8
)=class="stub"7
8
class="stub"3
4
+class="stub"3
8
+class="stub"3
4
+class="stub"5
8
=2class="stub"1
2

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