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科目: 来源:不详 题型:填空题

++=
加法算式______ 乘法算式______.

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科目: 来源:不详 题型:解答题

1
5
+
2
7
-
3
12
=
1
4
.______.(判断对错)

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科目: 来源:不详 题型:解答题

3
4
5
-2.7=
14×
2
7
=
15
16
÷5=
1
1
3
÷
1
3
=
1
2
×
1
5
×
1
4
=
0÷2
2
7
×9
1
5
=
1
3
+3÷
1
2
=
7
15
-
2
5
=
1
2
+
1
4
=
2
3
=
9
14
-
9
14
=
3
4
+
1
3
=
7
12
×
3
14
=
24÷
3
8
=
3
10
×
5
9
=
1
5
÷3
=
4-
2
5
=
1
5
÷3
=
9
14
-
7
14
=
1
3
+3÷
1
2
=
5-
3
4
=
2
3
8
×9
1
5
×0
=
1
3
÷
1
6
=
1
3
×
1
4
×
1
2
=
3
10
×
5
6
=
1
6
×3
=
3
8
+85+
5
8
=
4-
7
8
-
1
8
=
7
9
-
1
3
=
3
4
÷
1
2
=
0.25×8=3.4-
8
13
-
5
13
=
1
3
+0.5=
10.5-1.05=
3
10
×
5
12
=
10.01÷10%=
1.5×
3
5
=
4
5
÷
80%=
1×9÷
1
9
=
1
3
÷
3
4
÷4
=

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科目: 来源:不详 题型:填空题

一件工作,已经完成
4
7
,还剩下______.

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科目: 来源:不详 题型:填空题

甲队调
1
6
的人给乙队,两队的人数就相等.原来乙队是甲队人数的______.

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科目: 来源:不详 题型:解答题

1
8
+
3
8
=
3
10
+
9
10
=
7
16
-
3
16
=
1-
5
18
=
19
12
-1=
17
20
+
7
20
=
5
6
+(
1
6
+
1
6
)=
17
30
+
23
30
-
7
30
=
1-(
2
9
+
4
9
)=
1-
5
12
+
11
12
=

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科目: 来源:不详 题型:解答题

口算:
0.875-
7
8
=
4-1
2
3
=
1
2
-
1
3
=
0.75÷
3
4
=
1÷2
1
2
=
7
12
×6=
1
3
×
6
7
=
0.1÷
1
10
=
3.6×
3
4
=
0.2+
1
3
=
1
4
-
1
5
=
0.35×
8
7
=

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科目: 来源:不详 题型:解答题

直接写出得数.
1
3
+
2
5
=
2
3
-
2
5
=
3
4
+
3
8
=
1
2
+
1
6
=
3
5
×
7
9
=
12
7
×
14
15
=
4
7
÷
8
14
=
5
9
÷
5
6
=
1.5×0.4=10÷2.5=2.4×5=0.78÷1.3=

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科目: 来源:不详 题型:解答题

直接写出得数
1
2
+
1
3
=
3
4
-
2
5
=
25×8=
1
15
×
5
6
=
10
9
×6×0
=
7
11
÷14
=

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科目: 来源:不详 题型:填空题

计算:3-
3
11
=______.

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